diff --git a/Gemfile.lock b/Gemfile.lock
index b52eb24..a5151c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,8 +35,6 @@ GEM
       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)
@@ -53,15 +51,16 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     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)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.6-x64-mingw32)
+      racc (~> 1.4)
     octopress-hooks (2.6.2)
       jekyll (>= 2.0)
     octopress-minify-html (1.3.1)
@@ -71,6 +70,7 @@ GEM
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (3.0.3)
+    racc (1.6.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -99,7 +99,6 @@ DEPENDENCIES
   amp-jekyll
   jekyll (= 3.5.0)
   jekyll-feed (~> 0.6)
-  jekyll-multiple-languages-plugin
   jekyll-seo-tag
   jekyll-sitemap
   octopress-minify-html