diff --git a/examples/ffmpeg/Dockerfile b/examples/ffmpeg/Dockerfile
index 566ea3f79c..fb8e5fde1b 100644
--- a/examples/ffmpeg/Dockerfile
+++ b/examples/ffmpeg/Dockerfile
@@ -3,7 +3,7 @@
 # docker run --rm -ti -p 8080:8080 $USER/ffmpeg -mc-config deploy -insecure -log debug
 #
 # curl -v --request POST --data-binary @input.mp4 http://localhost:8080/ffmpeg -o output.gif
-FROM ubuntu:20.04
+FROM ubuntu:groovy-20210325
 
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && \