diff --git a/.mergify.yml b/.mergify.yml
index 7c489220..487ca138 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -32,3 +32,11 @@ pull_request_rules:
       backport:
         branches:
           - release/v3.0.x
+  - name: backport patches to v4.0.x branch
+    conditions:
+      - base=main
+      - label=backport/v4.0.x
+    actions:
+      backport:
+        branches:
+          - release/v4.0.x