From 439a5ba234bc7754463370b9ee44e69e3f6e44be Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Thu, 17 Nov 2022 09:05:47 -0800
Subject: [PATCH] [docker] update ubuntu to 22.04 (#8405)

---
 etc/docker/environment/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/etc/docker/environment/Dockerfile b/etc/docker/environment/Dockerfile
index c52e65df1..a7c38f869 100644
--- a/etc/docker/environment/Dockerfile
+++ b/etc/docker/environment/Dockerfile
@@ -1,5 +1,5 @@
 # Ubuntu image with tools required to build OpenThread
-FROM ubuntu:18.04
+FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND noninteractive
 ENV LANG en_US.UTF-8
@@ -9,6 +9,7 @@ RUN set -x \
     && apt-get install -y locales \
     && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8 \
     && apt-get --no-install-recommends install -fy \
+        bzip2 \
         git \
         ninja-build \
         python3 \