diff --git a/.mergify.yml b/.mergify.yml
index e1dedfd..ddb8aeb 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -2,3 +2,10 @@ commands_restrictions:
   backport:
     conditions:
       - base=main
+
+pull_request_rules:
+  - name: automatic rebase for backport PRs
+    conditions:
+      - head~=^mergify/bp/
+    actions:
+      update: {}