diff --git a/dev/ci/docker_linux/Dockerfile b/dev/ci/docker_linux/Dockerfile
index f3f328f6aba4e..04f7498f19efc 100644
--- a/dev/ci/docker_linux/Dockerfile
+++ b/dev/ci/docker_linux/Dockerfile
@@ -12,7 +12,7 @@
 
 # Last manual update 2021-09-24 (changing this comment will re-build image)
 
-FROM ubuntu:bionic@sha256:e4771b7160543c6e43968b4e9795be9ddcad9d573edd7cd7aebd3ce61326fc7a
+FROM ubuntu:bionic@sha256:6fec50623d6d37b7f3c14c5b6fc36c73fd04aa8173d59d54dba00da0e7ac50ee
 MAINTAINER Flutter Developers <flutter-dev@googlegroups.com>
 
 RUN apt-get update -y && \