diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f52fd40..b6c28a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
-        python-version: matrix.python-version
+        python-version: ${{ matrix.python-version }}
         architecture: x64
     - name: Install requirements
       run: pip install -r requirements/ci.txt