diff --git a/docs/.gitignore b/docs/.gitignore
index f40fbd8ba564ea28e0a2501e2921909467b39887..d3382e0d1e3941afad7c04aa6e498687bd069cb5 100644
--- a/docs/.gitignore
+++ b/docs/.gitignore
@@ -1,4 +1,5 @@
 _site
+.bundle
 .sass-cache
 .jekyll-cache
 .jekyll-metadata