diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 66a7742f..838abff0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -100,7 +100,7 @@ jobs:
         if: steps.cache-venv.outputs.cache-hit != 'true'
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.9"
           architecture: "x64"
 
       - name: Create a new Python environment & install maturin