diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 22a3cae..70de5a1 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -15,6 +15,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
+      - name: Install ffmpeg
+        uses: FedericoCarboni/setup-ffmpeg@v1
+        id: setup-ffmpeg
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with: