diff --git a/docs/Gemfile b/docs/Gemfile
index 79fbfeec3..62dfedeac 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -11,7 +11,7 @@ source "https://rubygems.org"
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
-gem "github-pages", ">= 228", group: :jekyll_plugins
+gem "github-pages", ">= 229", group: :jekyll_plugins
 
 # If you have any plugins, put them here!
 group :jekyll_plugins do