diff --git a/.asf.yaml b/.asf.yaml
index 6b35e7804..8e1b37a8e 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -7,11 +7,16 @@ github:
     - build-management
     - apache-maven
     - maven
+  protected_branches:
+    master: { }
+    maven-resolver-1.9.x: { }
+    maven-resolver-1.6.x: { }
+  pull_requests:
+    del_branch_on_merge: true
   enabled_merge_buttons:
     squash: true
     merge: false
     rebase: true
-  del_branch_on_merge: true
   features:
     issues: true
 notifications: