diff --git a/Gemfile b/Gemfile
index 5de2371..822e743 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "3.5.0"
+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`.
diff --git a/Gemfile.lock b/Gemfile.lock
index b52eb24..fa3289c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     amp-jekyll (1.0.2)
       fastimage (>= 1.8.0)
       jekyll (~> 3.0)
@@ -14,29 +14,27 @@ GEM
     csspool-st (3.1.2)
     execjs (2.7.0)
     fastimage (2.1.3)
-    ffi (1.9.25)
-    ffi (1.9.25-x64-mingw32)
+    ffi (1.11.1)
+    ffi (1.11.1-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 (3.5.0)
+    jekyll (3.6.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
+      kramdown (~> 1.14)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (>= 1.7, < 3)
       safe_yaml (~> 1.0)
     jekyll-feed (0.10.0)
       jekyll (~> 3.3)
-    jekyll-multiple-languages-plugin (1.5.1)
-      jekyll (>= 2.0, < 4.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
     jekyll-seo-tag (2.5.0)
@@ -47,7 +45,7 @@ GEM
       listen (~> 3.0)
     json (2.1.0)
     kramdown (1.17.0)
-    liquid (4.0.0)
+    liquid (4.0.3)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -68,16 +66,16 @@ GEM
       html_press (~> 0.8)
       jekyll (>= 2.0)
       octopress-hooks
-    pathutil (0.16.1)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.3)
+    public_suffix (4.0.1)
     rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    rouge (1.11.1)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    rouge (2.2.1)
     ruby_dep (1.5.0)
-    safe_yaml (1.0.4)
-    sass (3.5.7)
+    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)
@@ -97,9 +95,8 @@ PLATFORMS
 
 DEPENDENCIES
   amp-jekyll
-  jekyll (= 3.5.0)
+  jekyll (= 3.6.3)
   jekyll-feed (~> 0.6)
-  jekyll-multiple-languages-plugin
   jekyll-seo-tag
   jekyll-sitemap
   octopress-minify-html