diff --git a/.build/automation/stages/validate.yml b/.build/automation/stages/validate.yml
index d59b470..2337352 100644
--- a/.build/automation/stages/validate.yml
+++ b/.build/automation/stages/validate.yml
@@ -42,7 +42,7 @@ stages:
 
       - job: 'MacOS'
         pool:
-          vmImage: 'macOS-latest'
+          vmImage: 'macos-12'
 
         steps:
           - checkout: self