diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index 03fb42cf..4324ee6a 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -9,10 +9,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.7
+    - name: Set up Python 3.9
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.9
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -24,7 +24,8 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    #- name: Test with pytest
-    #  run: |
-    #    pip install pytest
-    #    pytest
+    - name: Test with pytest
+      run: |
+        sudo apt install ffmpeg
+        pip install pytest
+        pytest