diff --git a/addons/a11y/package.json b/addons/a11y/package.json
index fb787abe5ca1..bcfde5140f27 100644
--- a/addons/a11y/package.json
+++ b/addons/a11y/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-a11y",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "a11y addon for storybook",
   "keywords": [
     "a11y",
@@ -25,10 +25,10 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/client-logger": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/client-logger": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "axe-core": "^3.0.3",
     "babel-runtime": "^6.26.0",
     "global": "^4.3.2",
diff --git a/addons/actions/package.json b/addons/actions/package.json
index e97407ebecef..910cb8b2daf4 100644
--- a/addons/actions/package.json
+++ b/addons/actions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-actions",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Action Logger addon for storybook",
   "keywords": [
     "storybook"
@@ -20,9 +20,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "deep-equal": "^1.0.1",
     "emotion-theming": "^9.2.6",
diff --git a/addons/backgrounds/package.json b/addons/backgrounds/package.json
index 89deba7333c4..b11ed3373cf2 100644
--- a/addons/backgrounds/package.json
+++ b/addons/backgrounds/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-backgrounds",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "A storybook addon to show different backgrounds for your preview",
   "keywords": [
     "addon",
@@ -24,8 +24,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
diff --git a/addons/centered/package.json b/addons/centered/package.json
index 1fc7fb657d77..766d9fe7bc5d 100644
--- a/addons/centered/package.json
+++ b/addons/centered/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-centered",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook decorator to center components",
   "license": "MIT",
   "author": "Muhammed Thanish <mnmtanish@gmail.com>",
diff --git a/addons/events/package.json b/addons/events/package.json
index dfb64e8e2b2d..aa5e9f27460e 100644
--- a/addons/events/package.json
+++ b/addons/events/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-events",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Add events to your Storybook stories.",
   "keywords": [
     "addon",
@@ -19,8 +19,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "format-json": "^1.0.3",
     "prop-types": "^15.6.2",
diff --git a/addons/graphql/package.json b/addons/graphql/package.json
index 768d21855567..7210d6125e96 100644
--- a/addons/graphql/package.json
+++ b/addons/graphql/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-graphql",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook addon to display the GraphiQL IDE",
   "keywords": [
     "storybook"
diff --git a/addons/info/package.json b/addons/info/package.json
index be31cddf0fb8..836fa2b38622 100644
--- a/addons/info/package.json
+++ b/addons/info/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-info",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "A Storybook addon to show additional information for your stories.",
   "repository": {
     "type": "git",
@@ -13,9 +13,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/client-logger": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/client-logger": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "core-js": "2.5.7",
     "global": "^4.3.2",
diff --git a/addons/jest/package.json b/addons/jest/package.json
index 7177d352313c..d783a405da8b 100644
--- a/addons/jest/package.json
+++ b/addons/jest/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-jest",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "React storybook addon that show component jest report",
   "keywords": [
     "addon",
@@ -25,8 +25,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
diff --git a/addons/knobs/package.json b/addons/knobs/package.json
index 688d85ebe558..e24695e7146f 100644
--- a/addons/knobs/package.json
+++ b/addons/knobs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-knobs",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook Addon Prop Editor Component",
   "repository": {
     "type": "git",
@@ -13,9 +13,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "copy-to-clipboard": "^3.0.8",
     "escape-html": "^1.0.3",
diff --git a/addons/links/package.json b/addons/links/package.json
index 94f10aa06ee8..1a4f17b8009c 100644
--- a/addons/links/package.json
+++ b/addons/links/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-links",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Story Links addon for storybook",
   "keywords": [
     "storybook"
@@ -20,9 +20,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "global": "^4.3.2",
     "prop-types": "^15.6.2"
diff --git a/addons/notes/package.json b/addons/notes/package.json
index 8f1cdf195ee6..e985047859a2 100644
--- a/addons/notes/package.json
+++ b/addons/notes/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-notes",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Write notes for your Storybook stories.",
   "keywords": [
     "addon",
@@ -18,7 +18,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "marked": "^0.4.0",
     "prop-types": "^15.6.2",
diff --git a/addons/options/package.json b/addons/options/package.json
index 0f20fb8032c9..54fc439a63a0 100644
--- a/addons/options/package.json
+++ b/addons/options/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-options",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Options addon for storybook",
   "keywords": [
     "storybook"
@@ -19,7 +19,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0"
   },
   "peerDependencies": {
diff --git a/addons/storyshots/storyshots-core/package.json b/addons/storyshots/storyshots-core/package.json
index a1a3800a6f7d..3c8e70782599 100644
--- a/addons/storyshots/storyshots-core/package.json
+++ b/addons/storyshots/storyshots-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storyshots",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "StoryShots is a Jest Snapshot Testing Addon for Storybook.",
   "repository": {
     "type": "git",
@@ -16,7 +16,7 @@
     "storybook": "start-storybook -p 6006"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "glob": "^7.1.2",
     "global": "^4.3.2",
@@ -24,10 +24,10 @@
     "read-pkg-up": "^4.0.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16",
     "enzyme-to-json": "^3.3.4",
     "react": "^16.4.2"
   }
diff --git a/addons/storyshots/storyshots-puppeteer/package.json b/addons/storyshots/storyshots-puppeteer/package.json
index 60c033d9d810..f0e364956425 100644
--- a/addons/storyshots/storyshots-puppeteer/package.json
+++ b/addons/storyshots/storyshots-puppeteer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storyshots-puppeteer",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Image snappshots addition to StoryShots base on puppeteer",
   "repository": {
     "type": "git",
@@ -13,7 +13,7 @@
     "prepare": "node ../../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/node-logger": "4.0.0-alpha.15",
+    "@storybook/node-logger": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "jest-image-snapshot": "^2.4.3",
     "puppeteer": "^1.6.2"
diff --git a/addons/storysource/package.json b/addons/storysource/package.json
index 1104f40cc234..db90ac0e13ad 100644
--- a/addons/storysource/package.json
+++ b/addons/storysource/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storysource",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Stories addon for storybook",
   "keywords": [
     "storybook"
@@ -20,8 +20,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "estraverse": "^4.2.0",
     "loader-utils": "^1.1.0",
diff --git a/addons/viewport/package.json b/addons/viewport/package.json
index 1a898e5f195e..5b4d6f99e456 100644
--- a/addons/viewport/package.json
+++ b/addons/viewport/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-viewport",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook addon to change the viewport size to mobile",
   "keywords": [
     "storybook"
@@ -11,9 +11,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
diff --git a/app/angular/package.json b/app/angular/package.json
index 9c43501c6c5a..5fd848d184cd 100644
--- a/app/angular/package.json
+++ b/app/angular/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/angular",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for Angular: Develop Angular Components in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/apps/angular",
   "bugs": {
@@ -22,8 +22,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
-    "@storybook/node-logger": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
+    "@storybook/node-logger": "4.0.0-alpha.16",
     "angular2-template-loader": "^0.6.2",
     "babel-runtime": "^6.23.0",
     "core-js": "^2.5.7",
diff --git a/app/html/package.json b/app/html/package.json
index 168200384a38..ca5242f8fc94 100644
--- a/app/html/package.json
+++ b/app/html/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/html",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for HTML: View HTML snippets in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/apps/html",
   "bugs": {
@@ -21,7 +21,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "html-loader": "^0.5.5",
diff --git a/app/marko/package.json b/app/marko/package.json
index 5c65bc8b6ee9..8c4e4dd458da 100644
--- a/app/marko/package.json
+++ b/app/marko/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/marko",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for Marko: Develop Marko Component in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/app/marko",
   "bugs": {
@@ -22,7 +22,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "marko-loader": "^1.3.3",
diff --git a/app/mithril/package.json b/app/mithril/package.json
index 47482948ecc5..651b8ac6a6a5 100644
--- a/app/mithril/package.json
+++ b/app/mithril/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/mithril",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for Mithril: Develop Mithril Component in isolation.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/app/mithril",
   "bugs": {
@@ -22,7 +22,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.4.2",
diff --git a/app/polymer/package.json b/app/polymer/package.json
index 248474a917e1..96182464afff 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/polymer",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for Polymer: Develop Polymer components in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/apps/polymer",
   "bugs": {
@@ -21,7 +21,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "@webcomponents/webcomponentsjs": "^1.2.0",
     "babel-polyfill": "^6.26.0",
     "common-tags": "^1.8.0",
diff --git a/app/react-native/package.json b/app/react-native/package.json
index d3617fb354ba..78257864e927 100644
--- a/app/react-native/package.json
+++ b/app/react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/react-native",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "A better way to develop React Native Components for your app",
   "keywords": [
     "react",
@@ -25,11 +25,11 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/channel-websocket": "4.0.0-alpha.15",
-    "@storybook/core": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
-    "@storybook/ui": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/channel-websocket": "4.0.0-alpha.16",
+    "@storybook/core": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
+    "@storybook/ui": "4.0.0-alpha.16",
     "babel-loader": "^7.1.5",
     "babel-plugin-macros": "^2.3.0",
     "babel-plugin-syntax-async-functions": "^6.13.0",
diff --git a/app/react/package.json b/app/react/package.json
index 4e4c46f15f23..b08c3aafc1a1 100644
--- a/app/react/package.json
+++ b/app/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/react",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for React: Develop React Component in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/app/react",
   "bugs": {
@@ -22,7 +22,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "babel-plugin-react-docgen": "^2.0.0-rc.1",
     "babel-preset-react": "^6.24.1",
     "common-tags": "^1.8.0",
diff --git a/app/vue/package.json b/app/vue/package.json
index 0ad6f87a5dfe..7875cf0a181c 100644
--- a/app/vue/package.json
+++ b/app/vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/vue",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook for Vue: Develop Vue Component in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/apps/vue",
   "bugs": {
@@ -22,7 +22,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.0.0-alpha.15",
+    "@storybook/core": "4.0.0-alpha.16",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.4.2",
diff --git a/examples/angular-cli/package.json b/examples/angular-cli/package.json
index 5303ec991978..7e77b9ee345c 100644
--- a/examples/angular-cli/package.json
+++ b/examples/angular-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-cli",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "license": "MIT",
   "scripts": {
@@ -54,18 +54,18 @@
     "@angular-devkit/build-angular": "^0.7.2",
     "@angular/cli": "^6.1.2",
     "@angular/compiler-cli": "^6.1.1",
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-jest": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/angular": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-jest": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/angular": "4.0.0-alpha.16",
     "@types/jasmine": "~2.8.8",
     "@types/jasminewd2": "^2.0.3",
     "@types/jest": "^23.3.1",
diff --git a/examples/cra-kitchen-sink/package.json b/examples/cra-kitchen-sink/package.json
index 98aa9a6becdd..2f678bba70ea 100644
--- a/examples/cra-kitchen-sink/package.json
+++ b/examples/cra-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cra-kitchen-sink",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "scripts": {
     "build": "react-scripts build",
@@ -18,21 +18,21 @@
     "react-lifecycles-compat": "^3.0.4"
   },
   "devDependencies": {
-    "@storybook/addon-a11y": "4.0.0-alpha.15",
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-events": "4.0.0-alpha.15",
-    "@storybook/addon-info": "4.0.0-alpha.15",
-    "@storybook/addon-jest": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/client-logger": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15",
+    "@storybook/addon-a11y": "4.0.0-alpha.16",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-events": "4.0.0-alpha.16",
+    "@storybook/addon-info": "4.0.0-alpha.16",
+    "@storybook/addon-jest": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/client-logger": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.0",
diff --git a/examples/html-kitchen-sink/package.json b/examples/html-kitchen-sink/package.json
index 26885b746dfb..77018dbad6de 100644
--- a/examples/html-kitchen-sink/package.json
+++ b/examples/html-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "html-kitchen-sink",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "description": "",
   "keywords": [],
@@ -13,23 +13,23 @@
     "storybook": "start-storybook -p 9006"
   },
   "devDependencies": {
-    "@storybook/addon-a11y": "4.0.0-alpha.15",
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-events": "4.0.0-alpha.15",
-    "@storybook/addon-jest": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addon-viewport": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/core": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
-    "@storybook/html": "4.0.0-alpha.15",
+    "@storybook/addon-a11y": "4.0.0-alpha.16",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-events": "4.0.0-alpha.16",
+    "@storybook/addon-jest": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addon-viewport": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/core": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
+    "@storybook/html": "4.0.0-alpha.16",
     "babel-core": "^6.26.3",
     "babel-runtime": "^6.26.0",
     "eventemitter3": "^3.1.0",
diff --git a/examples/marko-cli/package.json b/examples/marko-cli/package.json
index bf4fb5dfb3cd..bc7021e6de15 100644
--- a/examples/marko-cli/package.json
+++ b/examples/marko-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "marko-cli",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "description": "Demo of how to build an app using marko-starter",
   "repository": {
@@ -23,12 +23,12 @@
     "marko-widgets": "^7.0.1"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/marko": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/marko": "4.0.0-alpha.16",
     "babel-core": "^6.26.3",
     "prettier": "^1.14.0",
     "webpack": "^4.16.4"
diff --git a/examples/mithril-kitchen-sink/package.json b/examples/mithril-kitchen-sink/package.json
index 7c04eb2d8ddf..a7a5eaeaa926 100644
--- a/examples/mithril-kitchen-sink/package.json
+++ b/examples/mithril-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mithril-example",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook",
@@ -10,18 +10,18 @@
     "mithril": "^1.1.6"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addon-viewport": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/mithril": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addon-viewport": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/mithril": "4.0.0-alpha.16",
     "babel-core": "^6.26.3",
     "babel-plugin-transform-react-jsx": "^6.24.1",
     "webpack": "^4.16.4"
diff --git a/examples/official-storybook/package.json b/examples/official-storybook/package.json
index 7ecab59e710f..2a7a76d1e936 100644
--- a/examples/official-storybook/package.json
+++ b/examples/official-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "official-storybook",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook -c ./ -s built-storybooks",
@@ -12,27 +12,27 @@
     "storybook": "start-storybook -p 9011 -c ./ -s built-storybooks"
   },
   "devDependencies": {
-    "@storybook/addon-a11y": "4.0.0-alpha.15",
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-events": "4.0.0-alpha.15",
-    "@storybook/addon-graphql": "4.0.0-alpha.15",
-    "@storybook/addon-info": "4.0.0-alpha.15",
-    "@storybook/addon-jest": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots-puppeteer": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addon-viewport": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
-    "@storybook/node-logger": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15",
+    "@storybook/addon-a11y": "4.0.0-alpha.16",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-events": "4.0.0-alpha.16",
+    "@storybook/addon-graphql": "4.0.0-alpha.16",
+    "@storybook/addon-info": "4.0.0-alpha.16",
+    "@storybook/addon-jest": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots-puppeteer": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addon-viewport": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
+    "@storybook/node-logger": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16",
     "babel-runtime": "^6.26.0",
     "cors": "^2.8.4",
     "emotion": "^9.2.6",
diff --git a/examples/polymer-cli/package.json b/examples/polymer-cli/package.json
index a357acd834e2..af948efd2056 100644
--- a/examples/polymer-cli/package.json
+++ b/examples/polymer-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polymer-cli",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook",
@@ -9,15 +9,15 @@
   },
   "dependencies": {
     "@polymer/polymer": "^2.6.0",
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addon-viewport": "4.0.0-alpha.15",
-    "@storybook/polymer": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addon-viewport": "4.0.0-alpha.16",
+    "@storybook/polymer": "4.0.0-alpha.16",
     "@webcomponents/webcomponentsjs": "^1.2.0",
     "global": "^4.3.2",
     "lit-html": "^0.10.2",
diff --git a/examples/vue-kitchen-sink/package.json b/examples/vue-kitchen-sink/package.json
index 108c463f9a4c..82add8e6256c 100644
--- a/examples/vue-kitchen-sink/package.json
+++ b/examples/vue-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-example",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "private": true,
   "scripts": {
     "build": "cross-env NODE_ENV=production webpack --progress --hide-modules",
@@ -13,18 +13,18 @@
     "vuex": "^3.0.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-backgrounds": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addon-storysource": "4.0.0-alpha.15",
-    "@storybook/addon-viewport": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/vue": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-backgrounds": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addon-storysource": "4.0.0-alpha.16",
+    "@storybook/addon-viewport": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/vue": "4.0.0-alpha.16",
     "babel-core": "^6.26.3",
     "babel-loader": "^7.1.5",
     "babel-preset-env": "^1.7.0",
diff --git a/lerna.json b/lerna.json
index 8ed7b97aa648..2e978331e792 100644
--- a/lerna.json
+++ b/lerna.json
@@ -7,5 +7,5 @@
     }
   },
   "concurrency": 1,
-  "version": "4.0.0-alpha.15"
+  "version": "4.0.0-alpha.16"
 }
diff --git a/lib/addons/package.json b/lib/addons/package.json
index 2a37c62cb85e..713739f2c0cb 100644
--- a/lib/addons/package.json
+++ b/lib/addons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addons",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook addons store",
   "keywords": [
     "storybook"
@@ -20,8 +20,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.0.0-alpha.15",
-    "@storybook/components": "4.0.0-alpha.15",
+    "@storybook/channels": "4.0.0-alpha.16",
+    "@storybook/components": "4.0.0-alpha.16",
     "global": "^4.3.2",
     "util-deprecate": "^1.0.2"
   }
diff --git a/lib/channel-postmessage/package.json b/lib/channel-postmessage/package.json
index 21d354057d3c..20a0e13b0c00 100644
--- a/lib/channel-postmessage/package.json
+++ b/lib/channel-postmessage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channel-postmessage",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "",
   "license": "MIT",
   "main": "dist/index.js",
@@ -9,7 +9,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.0.0-alpha.15",
+    "@storybook/channels": "4.0.0-alpha.16",
     "global": "^4.3.2",
     "json-stringify-safe": "^5.0.1"
   }
diff --git a/lib/channel-websocket/package.json b/lib/channel-websocket/package.json
index c6c4ba2ccc79..1a99a00efb87 100644
--- a/lib/channel-websocket/package.json
+++ b/lib/channel-websocket/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channel-websocket",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "",
   "license": "MIT",
   "main": "dist/index.js",
@@ -9,7 +9,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.0.0-alpha.15",
+    "@storybook/channels": "4.0.0-alpha.16",
     "global": "^4.3.2"
   }
 }
diff --git a/lib/channels/package.json b/lib/channels/package.json
index 32f183558590..be81408c6fc7 100644
--- a/lib/channels/package.json
+++ b/lib/channels/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channels",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "",
   "license": "MIT",
   "main": "dist/index.js",
diff --git a/lib/cli/package.json b/lib/cli/package.json
index 101623cda95c..6aa5d1d98e62 100644
--- a/lib/cli/package.json
+++ b/lib/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/cli",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook's CLI - easiest method of adding storybook to your projects",
   "keywords": [
     "cli",
@@ -25,7 +25,7 @@
     "test-latest-cra": "cd test && ./test_latest_cra.sh"
   },
   "dependencies": {
-    "@storybook/codemod": "4.0.0-alpha.15",
+    "@storybook/codemod": "4.0.0-alpha.16",
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-env": "^1.7.0",
     "babel-register": "^6.26.0",
@@ -42,28 +42,28 @@
     "update-notifier": "^2.5.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-centered": "4.0.0-alpha.15",
-    "@storybook/addon-graphql": "4.0.0-alpha.15",
-    "@storybook/addon-info": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/addon-links": "4.0.0-alpha.15",
-    "@storybook/addon-notes": "4.0.0-alpha.15",
-    "@storybook/addon-options": "4.0.0-alpha.15",
-    "@storybook/addon-storyshots": "4.0.0-alpha.15",
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/angular": "4.0.0-alpha.15",
-    "@storybook/channel-postmessage": "4.0.0-alpha.15",
-    "@storybook/channel-websocket": "4.0.0-alpha.15",
-    "@storybook/channels": "4.0.0-alpha.15",
-    "@storybook/html": "4.0.0-alpha.15",
-    "@storybook/marko": "4.0.0-alpha.15",
-    "@storybook/mithril": "4.0.0-alpha.15",
-    "@storybook/polymer": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15",
-    "@storybook/react-native": "4.0.0-alpha.15",
-    "@storybook/ui": "4.0.0-alpha.15",
-    "@storybook/vue": "4.0.0-alpha.15",
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-centered": "4.0.0-alpha.16",
+    "@storybook/addon-graphql": "4.0.0-alpha.16",
+    "@storybook/addon-info": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/addon-links": "4.0.0-alpha.16",
+    "@storybook/addon-notes": "4.0.0-alpha.16",
+    "@storybook/addon-options": "4.0.0-alpha.16",
+    "@storybook/addon-storyshots": "4.0.0-alpha.16",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/angular": "4.0.0-alpha.16",
+    "@storybook/channel-postmessage": "4.0.0-alpha.16",
+    "@storybook/channel-websocket": "4.0.0-alpha.16",
+    "@storybook/channels": "4.0.0-alpha.16",
+    "@storybook/html": "4.0.0-alpha.16",
+    "@storybook/marko": "4.0.0-alpha.16",
+    "@storybook/mithril": "4.0.0-alpha.16",
+    "@storybook/polymer": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16",
+    "@storybook/react-native": "4.0.0-alpha.16",
+    "@storybook/ui": "4.0.0-alpha.16",
+    "@storybook/vue": "4.0.0-alpha.16",
     "check-node-version": "3.2.0",
     "npx": "10.2.0"
   }
diff --git a/lib/client-logger/package.json b/lib/client-logger/package.json
index 70b10ec171eb..f804fd2cc90c 100644
--- a/lib/client-logger/package.json
+++ b/lib/client-logger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/client-logger",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "",
   "license": "MIT",
   "main": "dist/index.js",
diff --git a/lib/codemod/package.json b/lib/codemod/package.json
index 4341b11158b6..701682e4d941 100644
--- a/lib/codemod/package.json
+++ b/lib/codemod/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/codemod",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "A collection of codemod scripts written with JSCodeshift",
   "repository": {
     "type": "git",
diff --git a/lib/components/package.json b/lib/components/package.json
index c91cc1b46a77..e65a4fbed633 100644
--- a/lib/components/package.json
+++ b/lib/components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/components",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Core Storybook Components",
   "repository": {
     "type": "git",
@@ -28,9 +28,9 @@
     "render-fragment": "^0.1.1"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/addon-knobs": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15"
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/addon-knobs": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16"
   },
   "peerDependencies": {
     "react": "*",
diff --git a/lib/core-events/package.json b/lib/core-events/package.json
index 4afd09c94233..73fec488203e 100644
--- a/lib/core-events/package.json
+++ b/lib/core-events/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/core-events",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Event names used in storybook core",
   "license": "MIT",
   "main": "index.js"
diff --git a/lib/core/package.json b/lib/core/package.json
index 646317516e31..daf806a01743 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/core",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Storybook framework-agnostic API",
   "homepage": "https://github.com/storybooks/storybook/tree/master/lib/core",
   "bugs": {
@@ -16,12 +16,12 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.0.0-alpha.15",
-    "@storybook/channel-postmessage": "4.0.0-alpha.15",
-    "@storybook/client-logger": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
-    "@storybook/node-logger": "4.0.0-alpha.15",
-    "@storybook/ui": "4.0.0-alpha.15",
+    "@storybook/addons": "4.0.0-alpha.16",
+    "@storybook/channel-postmessage": "4.0.0-alpha.16",
+    "@storybook/client-logger": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
+    "@storybook/node-logger": "4.0.0-alpha.16",
+    "@storybook/ui": "4.0.0-alpha.16",
     "airbnb-js-shims": "^2.1.0",
     "autoprefixer": "^9.1.0",
     "babel-loader": "^7.1.5",
diff --git a/lib/node-logger/package.json b/lib/node-logger/package.json
index c4ce76fcf7d7..b0f1b42a73fd 100644
--- a/lib/node-logger/package.json
+++ b/lib/node-logger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/node-logger",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "",
   "license": "MIT",
   "main": "dist/index.js",
diff --git a/lib/ui/package.json b/lib/ui/package.json
index b96d1931926b..3547cfc421d5 100644
--- a/lib/ui/package.json
+++ b/lib/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/ui",
-  "version": "4.0.0-alpha.15",
+  "version": "4.0.0-alpha.16",
   "description": "Core Storybook UI",
   "repository": {
     "type": "git",
@@ -16,8 +16,8 @@
   },
   "dependencies": {
     "@ndelangen/react-treebeard": "^2.1.0",
-    "@storybook/components": "4.0.0-alpha.15",
-    "@storybook/core-events": "4.0.0-alpha.15",
+    "@storybook/components": "4.0.0-alpha.16",
+    "@storybook/core-events": "4.0.0-alpha.16",
     "@storybook/mantra-core": "^1.7.2",
     "@storybook/podda": "^1.2.3",
     "@storybook/react-komposer": "^2.0.4",
@@ -41,8 +41,8 @@
     "react-modal": "^3.5.1"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.0.0-alpha.15",
-    "@storybook/react": "4.0.0-alpha.15"
+    "@storybook/addon-actions": "4.0.0-alpha.16",
+    "@storybook/react": "4.0.0-alpha.16"
   },
   "peerDependencies": {
     "react": "*",