diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 3b1bbd1653..b6def1574e 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -77,3 +77,13 @@ updates:
     open-pull-requests-limit: 0
     labels:
       - dependencies
+
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: "release/v3.3.x"
+    # Only allow automated security-related dependency updates on release branches.
+    open-pull-requests-limit: 0
+    labels:
+      - dependencies
diff --git a/.mergify.yml b/.mergify.yml
index 539d0115f2..3cf8896590 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -58,3 +58,11 @@ pull_request_rules:
       backport:
         branches:
           - release/v3.2.x
+  - name: Backport patches to the release/v3.3.x branch
+    conditions:
+      - base=main
+      - label=A:backport/v3.3.x
+    actions:
+      backport:
+        branches:
+          - release/v3.3.x