diff --git a/dev/ci/docker_linux/Dockerfile b/dev/ci/docker_linux/Dockerfile
index 23db22e719c9b..9b1bcc614904f 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:focal@sha256:b795f8e0caaaacad9859a9a38fe1c78154f8301fdaf0872eaf1520d66d9c0b98
+FROM ubuntu:focal@sha256:db8bf6f4fb351aa7a26e27ba2686cf35a6a409f65603e59d4c203e58387dc6b3
 MAINTAINER Flutter Developers <flutter-dev@googlegroups.com>
 
 ENV TZ=America/Los_Angeles