diff --git a/Dockerfile b/Dockerfile
index 827024d..ef1c631 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3.7-slim
 
 # Install ffmpeg
 RUN apt-get -y update && \
-    apt-get install -y --no-install-recommends ffmpeg && \
+    apt-get install -y --no-install-recommends ffmpeg=7:4.1.6-1~deb10u1 && \
     apt-get autoremove -y && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*