diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 6b06cf8..077e34a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -45,3 +45,12 @@ updates:
       github-actions:
         patterns:
           - "*"
+  - package-ecosystem: github-actions
+    directory: '/'
+    target-branch: "release-0.21"
+    schedule:
+      interval: monthly
+    groups:
+      github-actions:
+        patterns:
+          - "*"