diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 647408015a..e8126c655d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -47,3 +47,12 @@ updates:
     open-pull-requests-limit: 0
     labels:
       - dependencies
+  
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: "release/v4.0.x"
+    open-pull-requests-limit: 0
+    labels:
+      - dependencies
diff --git a/.mergify.yml b/.mergify.yml
index e08625bf28..05f8ef0972 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -34,3 +34,11 @@ pull_request_rules:
       backport:
         branches:
           - release/v3.1.x
+  - name: Backport patches to the release/v4.0.x branch
+    conditions:
+      - base=main
+      - label=A:backport/v4.0.x
+    actions:
+      backport:
+        branches:
+          - release/v4.0.x