diff --git a/.github/mergify.yml b/.github/mergify.yml
index 868594d1d57..6f6464653e1 100644
--- a/.github/mergify.yml
+++ b/.github/mergify.yml
@@ -18,30 +18,6 @@ pull_request_rules:
         commit_message_template: |
            {{ title }} (#{{ number }})
            {{ body }}
-  - name: backport patches to v1.3.x branch
-    conditions:
-      - base=main
-      - label=backport-to-v1.3.x
-    actions:
-      backport:
-        branches:
-          - release/v1.3.x
-  - name: backport patches to v1.4.x branch
-    conditions:
-      - base=main
-      - label=backport-to-v1.4.x
-    actions:
-      backport:
-        branches:
-          - release/v1.4.x     
-  - name: backport patches to v1.5.x branch
-    conditions:
-      - base=main
-      - label=backport-to-v1.5.x
-    actions:
-      backport:
-        branches:
-          - release/v1.5.x
   - name: backport patches to v2.1.x branch
     conditions:
       - base=main
@@ -81,4 +57,12 @@ pull_request_rules:
     actions:
       backport:
         branches:
-          - release/v3.1.x        
+          - release/v3.1.x
+  - name: backport patches to v4.0.x branch
+    conditions:
+      - base=main
+      - label=backport-to-v4.0.x
+    actions:
+      backport:
+        branches:
+          - release/v4.0.x