diff --git a/docs/github-pages.html b/docs/github-pages.html
index f8bb5ad..3dcc311 100644
--- a/docs/github-pages.html
+++ b/docs/github-pages.html
@@ -214,6 +214,8 @@ keeping track of the configuration easier.</p>
 <span class="cm-comment"># This file should be at the root of your project</span>
 <span class="cm-atom">language</span><span class="cm-meta">: </span>ruby
 <span class="cm-atom">cache</span><span class="cm-meta">: </span>bundler
+<span class="cm-atom">before_install</span><span class="cm-meta">:</span>
+<span class="cm-meta">  - </span>gem install bundler
 <span class="cm-atom">script</span><span class="cm-meta">:</span>
 <span class="cm-meta">  - </span>bundle exec jekyll algolia
 <span class="cm-atom">branches</span><span class="cm-meta">:</span>