diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0ca5733..7a8e547 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,6 +15,8 @@ jobs:
           python3-venv
 
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 6
 
     - name: pip install
       run: |