diff --git a/Gemfile b/Gemfile
index e29e26cdc833e..4f39ae5f73f75 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,20 +1,20 @@
 source "https://rubygems.org"
 
-gem "jekyll", "3.2.1"
+gem "jekyll", "4.0.0"
 gem "jekyll-sass-converter", "1.3.0"
 gem "minima", "1.1.0"
-gem "kramdown", "1.11.1"
+gem "kramdown", "2.3.0"
 gem "liquid", "3.0.6"
 gem "rouge", "1.11.1"
 gem "jemoji", "0.7.0"
-gem "jekyll-mentions", "1.2.0"
+gem "jekyll-mentions", "1.5.0"
 gem "jekyll-redirect-from", "0.11.0"
 gem "jekyll-sitemap", "0.10.0"
 gem "jekyll-feed", "0.5.1"
 gem "jekyll-gist", "1.4.0"
 gem "jekyll-paginate", "1.1.0"
 gem "jekyll-coffeescript", "1.0.1"
-gem "jekyll-seo-tag", "2.0.0"
-gem "jekyll-github-metadata", "2.0.2"
+gem "jekyll-seo-tag", "2.6.1"
+gem "jekyll-github-metadata", "2.13.0"
 gem "listen", "3.0.6"
 gem "activesupport", "4.2.7"