diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d3f0c5f..df72867 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.9.25"
           architecture: "x64"
       - uses: snok/install-poetry@v1.3.1
       - run: poetry install