diff --git a/_config.yml b/_config.yml
index 1b61fe3..7962f19 100644
--- a/_config.yml
+++ b/_config.yml
@@ -38,4 +38,4 @@ kramdown:
   hard_wrap: false
 
 plugins: ['jekyll-paginate']
-exclude: ['README.md', 'Gemfile', 'Gemfile.lock', 'screenshot.png']
+exclude: ['README.md', 'Gemfile', 'Gemfile.lock', 'screenshot.png', 'vendor']