diff --git a/.travis.yml b/.travis.yml
index 371df0a..4c37bb0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ notifications:
     on_success: never
 
 branches:
-  only: master
+  only: github-pages-gem
 
 env:
   global:
diff --git a/Gemfile b/Gemfile
index f3858cf..be80e9b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem "github-pages", ">=177"
+gem "github-pages", ">=177", group: :jekyll_plugins
 
 platforms :ruby_21 do
   gem "rb-inotify", "~> 0.9"