diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 203f3c889..5efbc6222 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,6 +1,18 @@
 version: 2
 updates:
-- package-ecosystem: "github-actions"
-  directory: "/"
-  schedule:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "3.1.x" # oldest OSS supported branch
+    schedule:
       interval: "weekly"
+  - package-ecosystem: maven
+    directory: /
+    schedule:
+      interval: daily
+    target-branch: 3.1.x
+    ignore:
+      # only upgrade patch versions for maintenance branch
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor