diff --git a/.mergify.yml b/.mergify.yml
index 10a76b252b..59bc41bdd0 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -6,7 +6,7 @@ queue_rules:
 pull_request_rules:
   - name: backport patches to main branch
     conditions:
-      - base=releases/v0.3x
+      - base=releases/v0.40.x
       - label=backport/main
     actions:
       backport:
@@ -20,3 +20,11 @@ pull_request_rules:
       backport:
         branches:
           - releases/v0.3x
+  - name: backport patches to v0.40.x release branch
+    conditions:
+      - base=main
+      - label=backport/v0.40.x
+    actions:
+      backport:
+        branches:
+          - releases/v0.40.x