diff --git a/extensions/vscode-colorize-tests/test/colorize-fixtures/Dockerfile b/extensions/vscode-colorize-tests/test/colorize-fixtures/Dockerfile
index e12fffa3e4ac1..2b236ed78cee9 100644
--- a/extensions/vscode-colorize-tests/test/colorize-fixtures/Dockerfile
+++ b/extensions/vscode-colorize-tests/test/colorize-fixtures/Dockerfile
@@ -1,5 +1,5 @@
-FROM ubuntu
-MAINTAINER Kimbro Staken
+FROM mcr.microsoft.com/vscode/devcontainers/repos/microsoft/vscode
+MAINTAINER Microsoft
 
 RUN apt-get install -y software-properties-common python
 RUN add-apt-repository ppa:chris-lea/node.js
@@ -11,4 +11,4 @@ RUN mkdir /var/www
 
 ADD app.js /var/www/app.js
 
-CMD ["/usr/bin/node", "/var/www/app.js"] 
\ No newline at end of file
+CMD ["/usr/bin/node", "/var/www/app.js"]
\ No newline at end of file
diff --git a/extensions/vscode-colorize-tests/test/colorize-results/Dockerfile.json b/extensions/vscode-colorize-tests/test/colorize-results/Dockerfile.json
index 373c7701e7b5b..ee9e706f6668c 100644
--- a/extensions/vscode-colorize-tests/test/colorize-results/Dockerfile.json
+++ b/extensions/vscode-colorize-tests/test/colorize-results/Dockerfile.json
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"c": " ubuntu",
+		"c": " mcr.microsoft.com/vscode/devcontainers/repos/microsoft/vscode",
 		"t": "source.dockerfile",
 		"r": {
 			"dark_plus": "default: #D4D4D4",
@@ -36,7 +36,7 @@
 		}
 	},
 	{
-		"c": " Kimbro Staken",
+		"c": " Microsoft",
 		"t": "source.dockerfile",
 		"r": {
 			"dark_plus": "default: #D4D4D4",
@@ -324,7 +324,7 @@
 		}
 	},
 	{
-		"c": "] ",
+		"c": "]",
 		"t": "source.dockerfile",
 		"r": {
 			"dark_plus": "default: #D4D4D4",