diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3ebefe35..0fb9eace 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -69,6 +69,7 @@ jobs:
 
     - name: Run unit tests with coverage
       run: |
+        sudo apt-get install -y ffmpeg
         source /opt/env/bin/activate
         coverage run -m pytest tests/unit && coverage xml -o /opt/coverage/unit/coverage.xml