diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b2e64b5..9da4f9a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -22,7 +22,7 @@ updates:
       time: "09:00"
       timezone: "Asia/Tokyo"
     commit-message:
-      prefix: "deps(gitsubmodule)"
+      prefix: "deps(submodules)"
 
   - package-ecosystem: "github-actions"
     directory: "/"
diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index f5d7054..c16572a 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -27,7 +27,7 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: enable auto-merge
-        if: ${{ steps.metadata.outputs.package-ecosystem != 'gitsubmodule' }}
+        if: ${{ steps.metadata.outputs.package-ecosystem != 'submodules' }} # disable Glyph SDK update
         shell: bash
         run:
           gh pr merge --auto --squash "${{ github.event.pull_request.html_url }}"