diff --git a/Gemfile b/Gemfile
index 30bbd06..5ee86e6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 group :jekyll do
-    gem 'jekyll'
+    gem 'jekyll', '3.4.3'
     gem 'jekyll-sitemap'
     gem 'jekyll-redirect-from'
     gem 'redcarpet'
diff --git a/_config.yml b/_config.yml
index 51a5297..7990276 100644
--- a/_config.yml
+++ b/_config.yml
@@ -83,7 +83,7 @@ collections:
 
 # Plugins
 # --------------------
-plugins:
+gems:
     - jekyll-sitemap
     - jekyll-redirect-from