diff --git a/Gemfile b/Gemfile
index 93f9aa2..609bc26 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,27 +1,27 @@
-source "https://rubygems.org"
-
-# Hello! This is where you manage which Jekyll version is used to run.
-# When you want to use a different version, change it below, save the
-# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
-#
-#     bundle exec jekyll serve
-#
-# This will help ensure the proper Jekyll version is running.
-# Happy Jekylling!
-gem "jekyll", "3.5.0"
-
-# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
-# uncomment the line below. To upgrade, run `bundle update github-pages`.
-# gem "github-pages", group: :jekyll_plugins
-
-# If you have any plugins, put them here!
-group :jekyll_plugins do
-   gem "jekyll-feed", "~> 0.6"
-   gem 'jekyll-sitemap'
-   gem 'jekyll-seo-tag'
-   gem 'octopress-minify-html'
-   gem 'amp-jekyll', :git => 'https://github.com/sandoche/amp-jekyll-for-pages'
-end
-
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+source "https://rubygems.org"
+
+# Hello! This is where you manage which Jekyll version is used to run.
+# When you want to use a different version, change it below, save the
+# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
+#
+#     bundle exec jekyll serve
+#
+# This will help ensure the proper Jekyll version is running.
+# Happy Jekylling!
+gem "jekyll", "3.6.3"
+
+# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
+# uncomment the line below. To upgrade, run `bundle update github-pages`.
+# gem "github-pages", group: :jekyll_plugins
+
+# If you have any plugins, put them here!
+group :jekyll_plugins do
+   gem "jekyll-feed", "~> 0.6"
+   gem 'jekyll-sitemap'
+   gem 'jekyll-seo-tag'
+   gem 'octopress-minify-html'
+   gem 'amp-jekyll', :git => 'https://github.com/sandoche/amp-jekyll-for-pages'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
diff --git a/Gemfile.lock b/Gemfile.lock
index cf4b630..16a7331 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,110 +1,108 @@
-GIT
-  remote: https://github.com/sandoche/amp-jekyll-for-pages
-  revision: 64ae319bfe3adee8f6204b8296fc9a905c1628eb
-  specs:
-    amp-jekyll (1.0.2)
-      fastimage (>= 1.8.0)
-      jekyll (~> 3.0)
-      nokogiri (>= 1.6.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
-    colorator (1.1.0)
-    css_press (0.3.2)
-      csspool-st (= 3.1.2)
-      json
-    csspool-st (3.1.2)
-    execjs (2.7.0)
-    fastimage (2.1.3)
-    ffi (1.9.25)
-    ffi (1.9.25-x64-mingw32)
-    forwardable-extended (2.6.0)
-    html_press (0.8.2)
-      htmlentities
-      multi_css (>= 0.1.0)
-      multi_js (>= 0.1.0)
-    htmlentities (4.3.4)
-    jekyll (3.5.0)
-      addressable (~> 2.4)
-      colorator (~> 1.0)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
-      liquid (~> 4.0)
-      mercenary (~> 0.3.3)
-      pathutil (~> 0.9)
-      rouge (~> 1.7)
-      safe_yaml (~> 1.0)
-    jekyll-feed (0.9.2)
-      jekyll (~> 3.3)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.2.3)
-      jekyll (~> 3.3)
-    jekyll-sitemap (1.1.1)
-      jekyll (~> 3.3)
-    jekyll-watch (1.5.1)
-      listen (~> 3.0)
-    json (2.1.0)
-    kramdown (1.17.0)
-    liquid (4.0.0)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
-    mercenary (0.3.6)
-    mini_portile2 (2.3.0)
-    multi_css (0.1.0)
-      css_press
-    multi_js (0.1.0)
-      uglifier (~> 2)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.4-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
-    octopress-hooks (2.6.2)
-      jekyll (>= 2.0)
-    octopress-minify-html (1.3.1)
-      html_press (~> 0.8)
-      jekyll (>= 2.0)
-      octopress-hooks
-    pathutil (0.16.1)
-      forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    rouge (1.11.1)
-    ruby_dep (1.5.0)
-    safe_yaml (1.0.4)
-    sass (3.5.6)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    thread_safe (0.3.6)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
-    tzinfo-data (1.2018.5)
-      tzinfo (>= 1.0.0)
-    uglifier (2.7.2)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
-
-PLATFORMS
-  ruby
-  x64-mingw32
-
-DEPENDENCIES
-  amp-jekyll!
-  jekyll (= 3.5.0)
-  jekyll-feed (~> 0.6)
-  jekyll-seo-tag
-  jekyll-sitemap
-  octopress-minify-html
+GIT
+  remote: https://github.com/sandoche/amp-jekyll-for-pages
+  revision: 64ae319bfe3adee8f6204b8296fc9a905c1628eb
+  specs:
+    amp-jekyll (1.0.2)
+      fastimage (>= 1.8.0)
+      jekyll (~> 3.0)
+      nokogiri (>= 1.6.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    colorator (1.1.0)
+    css_press (0.3.2)
+      csspool-st (= 3.1.2)
+      json
+    csspool-st (3.1.2)
+    execjs (2.7.0)
+    fastimage (2.1.3)
+    ffi (1.13.1)
+    ffi (1.13.1-x64-mingw32)
+    forwardable-extended (2.6.0)
+    html_press (0.8.2)
+      htmlentities
+      multi_css (>= 0.1.0)
+      multi_js (>= 0.1.0)
+    htmlentities (4.3.4)
+    jekyll (3.6.3)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      jekyll-sass-converter (~> 1.0)
+      jekyll-watch (~> 1.1)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
+      mercenary (~> 0.3.3)
+      pathutil (~> 0.9)
+      rouge (>= 1.7, < 3)
+      safe_yaml (~> 1.0)
+    jekyll-feed (0.9.2)
+      jekyll (~> 3.3)
+    jekyll-sass-converter (1.5.2)
+      sass (~> 3.4)
+    jekyll-seo-tag (2.2.3)
+      jekyll (~> 3.3)
+    jekyll-sitemap (1.1.1)
+      jekyll (~> 3.3)
+    jekyll-watch (1.5.1)
+      listen (~> 3.0)
+    json (2.1.0)
+    kramdown (1.17.0)
+    liquid (4.0.3)
+    listen (3.2.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.3.6)
+    mini_portile2 (2.3.0)
+    multi_css (0.1.0)
+      css_press
+    multi_js (0.1.0)
+      uglifier (~> 2)
+    nokogiri (1.8.4)
+      mini_portile2 (~> 2.3.0)
+    nokogiri (1.8.4-x64-mingw32)
+      mini_portile2 (~> 2.3.0)
+    octopress-hooks (2.6.2)
+      jekyll (>= 2.0)
+    octopress-minify-html (1.3.1)
+      html_press (~> 0.8)
+      jekyll (>= 2.0)
+      octopress-hooks
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (4.0.5)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rouge (2.2.1)
+    safe_yaml (1.0.5)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    tzinfo-data (1.2018.5)
+      tzinfo (>= 1.0.0)
+    uglifier (2.7.2)
+      execjs (>= 0.3.0)
+      json (>= 1.8.0)
+
+PLATFORMS
+  ruby
+  x64-mingw32
+
+DEPENDENCIES
+  amp-jekyll!
+  jekyll (= 3.6.3)
+  jekyll-feed (~> 0.6)
+  jekyll-seo-tag
+  jekyll-sitemap
+  octopress-minify-html
   tzinfo-data
 
 BUNDLED WITH