diff --git a/Gemfile b/Gemfile
index e424b7893..4931ee63b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'github-pages'
+gem 'jekyll-mentions'
+gem 'jemoji'
+gem 'jekyll-redirect-from'
 gem 'jekyll-sitemap'
diff --git a/_config.yml b/_config.yml
index 9e2bdf6de..b909325bf 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,4 +1,7 @@
 gems:
+    - jekyll-mentions
+    - jemoji
+    - jekyll-redirect-from
     - jekyll-sitemap
 sitemap:
     file: "/sitemap.xml"