Modify access rules
diff --git a/project.config b/project.config
index 8a750d4..2674085 100644
--- a/project.config
+++ b/project.config
@@ -5,3 +5,6 @@
 [access "refs/*"]
 	read = group Anonymous Users
 	exclusiveGroupPermissions = read
+[access "refs/heads/*"]
+	exclusiveGroupPermissions = read
+	read = group Anonymous Users