diff --git a/admin/Gemfile b/admin/Gemfile
index fe8c1df52..751e53b9b 100644
--- a/admin/Gemfile
+++ b/admin/Gemfile
@@ -97,7 +97,7 @@ end
 # gem 'capistrano'
 
 # To use debugger
-gem 'debugger'
+#gem 'debugger'  # not working with 2.1.2p95
 
 group :development, :test do
   gem 'capybara'