diff --git a/test/repos/gpg.sh b/test/repos/gpg.sh
index 94e0742e5..719c6467b 100755
--- a/test/repos/gpg.sh
+++ b/test/repos/gpg.sh
@@ -6,6 +6,8 @@ git init
 git config gpg.program $(which gpg)
 git config user.signingkey E304229F # test key
 git config commit.gpgsign true
+git config credential.helper store
+git config credential.helper cache 1
 
 touch foo
 git add foo