diff --git a/.github/workflows/commit_message_check.yml b/.github/workflows/commit_message_check.yml
index 78efe0f..4f29452 100644
--- a/.github/workflows/commit_message_check.yml
+++ b/.github/workflows/commit_message_check.yml
@@ -10,7 +10,7 @@ jobs:
     - name: checkout code
       uses: actions/checkout@v4
       with:
-        fetch-depth: 0
+        sparse-checkout: .
 
     - name: check commit messages
       run: |
@@ -24,4 +24,4 @@ jobs:
             echo "Error: first letter after project specifier should be lower case"
             exit 1
           fi
-        done
\ No newline at end of file
+        done