diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e85fe3d..17cbf28 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -123,6 +123,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
+        fetch-depth: 0
         persist-credentials: false
     - name: Setup Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2