diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 315283f..e537671 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -25,6 +25,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        pip install flit
         flit install
     - name: Test with pytest
       env: