diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index 8fd9b7f..8e2d719 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -6,8 +6,9 @@ version: 2
 updates:
   - package-ecosystem: github-actions
     directory: /
+    # https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#scheduleinterval
     schedule:
-      interval: daily
+      interval: monthly
     open-pull-requests-limit: 1
     labels:
       - tag:bot
diff --git a/.github/workflows/build-and-test-differential.yaml b/.github/workflows/build-and-test-differential.yaml
index 46ea820..5ebcc40 100644
--- a/.github/workflows/build-and-test-differential.yaml
+++ b/.github/workflows/build-and-test-differential.yaml
@@ -16,7 +16,7 @@ jobs:
   make-sure-label-is-present:
     uses: autowarefoundation/autoware-github-actions/.github/workflows/make-sure-label-is-present.yaml@v1
     with:
-      label: tag:run-build-and-test-differential
+      label: run:build-and-test-differential
 
   build-and-test-differential:
     needs: make-sure-label-is-present