diff --git a/Dockerfile b/Dockerfile
index 4fc2d18..47f7868 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,6 +32,7 @@ COPY --from=builder /install /usr/local
 # Install runtime dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ffmpeg \
+    python3 \
     && rm -rf /var/lib/apt/lists/*
 
 ENV PYTHONUNBUFFERED=1