diff --git a/.mergify.yml b/.mergify.yml
index 00b49806e47..3fe46362854 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -207,3 +207,16 @@ pull_request_rules:
         labels:
           - "backport"
         title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
+  - name: backport patches to 8.4 branch
+    conditions:
+      - merged
+      - label=backport-v8.4.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "8.4"
+        labels:
+          - "backport"
+        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"