diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7a92841..3493928 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Store installed Python version
         run: |
           echo "::set-env name=PY_VERSION::"\