diff --git a/back-office/Gemfile b/back-office/Gemfile
index 849d7b7..7d29afe 100644
--- a/back-office/Gemfile
+++ b/back-office/Gemfile
@@ -45,9 +45,7 @@ gem 'tabulous'
 # gem 'capistrano-rails', group: :development
 
 # rails 4.x support is not stable yet - so we hope for the best :)
-source 'http://gems.github.com' do
-  gem 'active_scaffold'
-end
+gem 'active_scaffold', github: 'activescaffold/active_scaffold', branch: 'master'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console