diff --git a/.gitignore b/.gitignore
index 4f6312bba..fd43abfab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ node_modules/
 bower_components/
 
 // Docs
+Gemfile.lock
 docs/_site
 .jekyll-cache/
 .jekyll-metadata