Modify access rules
diff --git a/project.config b/project.config
index 21d53c2..cc62b78 100644
--- a/project.config
+++ b/project.config
@@ -128,3 +128,4 @@
 	push = group trusted-firmware-a-arm-approvers
 	submit = group trusted-firmware-a-arm-approvers
 	label-Code-Review = -2..+2 group trusted-firmware-a-arm-approvers
+	exclusiveGroupPermissions = submit