diff --git a/.github/workflows/toc.yml b/.github/workflows/toc.yml
index 48623f0..5a8b8c3 100644
--- a/.github/workflows/toc.yml
+++ b/.github/workflows/toc.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           CONFIG_FILENAME: workflow-settings.json, workflow-details.json
           IGNORE_WARNING: 'true'
-      - uses: technote-space/toc-generator@v3
+      - uses: technote-space/toc-generator@v4
         with:
           GITHUB_TOKEN: ${{ secrets.ACCESS_TOKEN }}
           TARGET_BRANCH_PREFIX: ${{ env.BRANCH_PREFIX }}