diff --git a/config.yml b/config.yml
index c8b3f3b..b2b5d49 100644
--- a/config.yml
+++ b/config.yml
@@ -63,6 +63,7 @@ homebrew_cask_apps:
 
 ruby_install_gems:
   - grunt
+  - jekyll
 
 nodejs_forever: false
 nodejs_npm_global_packages: