From b4ec8a5c3d5621c844549d56cdac849eb01dafb2 Mon Sep 17 00:00:00 2001
From: Roy Chan <87457520+RoyCLR@users.noreply.github.com>
Date: Mon, 19 Sep 2022 10:11:43 +0800
Subject: [PATCH] lock base image to ubuntu 20.04

---
 ursim/cb3/Dockerfile      | 2 +-
 ursim/e-series/Dockerfile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ursim/cb3/Dockerfile b/ursim/cb3/Dockerfile
index 7f504a0..e077e05 100644
--- a/ursim/cb3/Dockerfile
+++ b/ursim/cb3/Dockerfile
@@ -21,7 +21,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-FROM ubuntu:latest
+FROM ubuntu:20.04
 
 # Set Version Information
 ARG VERSION
diff --git a/ursim/e-series/Dockerfile b/ursim/e-series/Dockerfile
index 7698460..42f82dd 100644
--- a/ursim/e-series/Dockerfile
+++ b/ursim/e-series/Dockerfile
@@ -21,7 +21,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-FROM ubuntu:latest
+FROM ubuntu:20.04
 
 # Set Version Information
 ARG VERSION