diff --git a/.github/workflows/python-pull-request.yml b/.github/workflows/python-pull-request.yml
index df244138..c41ee6a7 100644
--- a/.github/workflows/python-pull-request.yml
+++ b/.github/workflows/python-pull-request.yml
@@ -25,6 +25,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4