diff --git a/.github/workflows/gh_actions.yml b/.github/workflows/gh_actions.yml
index 26ba5bd..3e1682f 100644
--- a/.github/workflows/gh_actions.yml
+++ b/.github/workflows/gh_actions.yml
@@ -159,13 +159,13 @@ jobs:
       strategy:
         matrix:
           os: [ubuntu-latest, windows-latest, macos-latest]
-          python-version: ['3.7']
+          python-version: ['3.9']
       steps:
         - uses: actions/checkout@v2
         - name: Install Python 3
           uses: actions/setup-python@v1
           with:
-            python-version: 3.7
+            python-version: 3.9
         - name: Install dependencies
           run: |
             python -m pip install --upgrade pip