diff --git a/packaging/debian/Dockerfile b/packaging/debian/Dockerfile
index de831d09cf1ed9..977c7a8c902bc6 100644
--- a/packaging/debian/Dockerfile
+++ b/packaging/debian/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:xenial
+FROM ubuntu:xenial-20210416
 
 RUN apt-get update && apt-get install -y \
     python-docutils \