diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 11bc862..6f75703 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,6 +22,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install poetry
+        poetry env use ${{ matrix.python-version }}
         poetry install
     - name: Run tests
       run: |