Dockerfile: Update to latest "focal" tag
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 0195456..42d4b0c 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -2,7 +2,7 @@
# This Dockerfile is used to build an image containing basic stuff to be used
# to build U-Boot and run our test suites.
-FROM ubuntu:focal-20210723
+FROM ubuntu:focal-20210827
MAINTAINER Tom Rini <trini@konsulko.com>
LABEL Description=" This image is for building U-Boot inside a container"