diff --git a/.github/workflows/docker-femiwiki-extensions.yml b/.github/workflows/docker-femiwiki-extensions.yml
index f2ae7e20..7c8245af 100644
--- a/.github/workflows/docker-femiwiki-extensions.yml
+++ b/.github/workflows/docker-femiwiki-extensions.yml
@@ -1,7 +1,7 @@
 name: 'Docker: femiwiki-extensions'
 
 env:
-  TAG: '1.4.0'
+  TAG: '1.5.0'
 
 on:
   push:
diff --git a/dockers/femiwiki-extensions/Dockerfile b/dockers/femiwiki-extensions/Dockerfile
index 31f09463..33224d27 100644
--- a/dockers/femiwiki-extensions/Dockerfile
+++ b/dockers/femiwiki-extensions/Dockerfile
@@ -1,4 +1,4 @@
-ARG MEDIAWIKI_VERSION=1.41.0
+ARG MEDIAWIKI_VERSION=1.42.1
 
 #
 # 미디어위키 확장 설치 스테이지. 루비 스크립트를 이용해 수많은 미디어위키
diff --git a/dockers/femiwiki-extensions/README.md b/dockers/femiwiki-extensions/README.md
index d3f1558e..7f078498 100644
--- a/dockers/femiwiki-extensions/README.md
+++ b/dockers/femiwiki-extensions/README.md
@@ -2,6 +2,10 @@
 
 This docker image contains MediaWiki extensions Femiwiki uses.
 
+## 1.5.0
+
+- Bump MediaWiki to REL1_42
+
 ## 1.4.0
 
 - Bump UnifiedExtensionForFemiwiki
diff --git a/dockers/femiwiki-extensions/extension-installer/extensions.json b/dockers/femiwiki-extensions/extension-installer/extensions.json
index 78b7621e..d27d651d 100644
--- a/dockers/femiwiki-extensions/extension-installer/extensions.json
+++ b/dockers/femiwiki-extensions/extension-installer/extensions.json
@@ -25,6 +25,7 @@
     "Echo",
     "EventLogging",
     "FacetedCategory",
+    "FlaggedRevs",
     "Flow",
     "Gadgets",
     "GoogleNewsSitemap",
@@ -83,25 +84,20 @@
   "WMF-skins": ["Vector"],
   "non-WMF": {
     "UnifiedExtensionForFemiwiki": {
-      "template": "https://github.com/femiwiki/UnifiedExtensionForFemiwiki/archive/refs/tags/$1.tar.gz",
-      "version": "v4.2.0"
+      "template": "https://github.com/femiwiki/UnifiedExtensionForFemiwiki/archive/$1.tar.gz",
+      "version": "0a49596abc8f24e5223e8948f9b5befaeb0a585e"
     },
     "Femiwiki": {
       "type": "skin",
       "template": "https://github.com/femiwiki/FemiwikiSkin/releases/download/$1/$1.tar.gz",
-      "version": "v5.0.0"
+      "version": "v5.0.1"
     },
     "AWS": {
       "template": "https://github.com/edwardspec/mediawiki-aws-s3/archive/refs/tags/v0.13.0.tar.gz"
     },
     "EmbedVideo": {
       "template": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/archive/refs/tags/$1.tar.gz",
-      "version": "v3.4.1"
-    },
-    "FlaggedRevs": {
-      "@note": "https://phabricator.wikimedia.org/T365416",
-      "template": "https://github.com/wikimedia/mediawiki-extensions-FlaggedRevs/archive/refs/heads/$1.tar.gz",
-      "version": "REL1_41"
+      "version": "v3.4.2"
     }
   }
 }