diff --git a/lib/gem/release/context/git.rb b/lib/gem/release/context/git.rb
index 4a505e9..6073772 100644
--- a/lib/gem/release/context/git.rb
+++ b/lib/gem/release/context/git.rb
@@ -3,7 +3,7 @@ module Release
     class Context
       class Git
         def clean?
-          system 'git update-index --refresh && git diff-index --quiet HEAD'
+          system 'git update-index -q --really-refresh && git diff-index --quiet HEAD'
         end
 
         def remotes