diff --git a/.github/workflows/commit_message_check.yml b/.github/workflows/commit_message_check.yml
index c0a8227..804e6d2 100644
--- a/.github/workflows/commit_message_check.yml
+++ b/.github/workflows/commit_message_check.yml
@@ -15,6 +15,9 @@ jobs:
     - name: get main
       run: git fetch origin main --depth 1
 
+    - name: list branches
+      run: git branch -v
+
     - name: check commit messages
       run: |
         git log --format="%s" main..HEAD | while IFS= read -r message; do