diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f243c6..466b2a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,7 @@ jobs:
           - "3.12"
     steps:
       - uses: actions/checkout@v3
+      - run: echo "${{ matrix.python-version }}" > .python-version
       - uses: actions/setup-python@v5
         with:
           python-version-file: ".python-version"