diff --git a/Dockerfile b/Dockerfile
index 0716aff..95552e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ FROM python:3.11-slim-buster
 RUN apt-get update -y
 
 # Install LibreOffice, Firefox ESR and pip
-RUN apt-get install -y libreoffice firefox-esr
+RUN apt-get install -y libreoffice firefox-esr ffmpeg
 
 # Set the working directory in the container to /app
 WORKDIR /app