diff --git a/Gemfile b/Gemfile
index 6742b237cd6a..63015616b964 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,6 +16,7 @@ group :jekyll_plugins do
     gem 'jekyll-sitemap'
     gem 'jekyll-toc'
     gem 'jekyll-twitter-plugin'
+    gem 'jekyll-sitemap'
     gem 'jemoji'
     gem 'mini_racer'
     gem 'unicode_utils'
diff --git a/_config.yml b/_config.yml
index 97213f356256..afb17326646c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -243,6 +243,7 @@ plugins:
   - jekyll-sitemap
   - jekyll-toc
   - jekyll-twitter-plugin
+  - jekyll-sitemap
   - jemoji
   - jekyll-figure