diff --git a/.azurepipelines/BaseTools-Build-For-Publication.yml b/.azurepipelines/BaseTools-Build-For-Publication.yml
index 8f3d2150d3..95a2ad4b83 100644
--- a/.azurepipelines/BaseTools-Build-For-Publication.yml
+++ b/.azurepipelines/BaseTools-Build-For-Publication.yml
@@ -32,7 +32,7 @@ jobs:
   - job: linux_build
     displayName: Linux Build
     pool:
-      vmImage: ubuntu-latest
+      vmImage: ubuntu-20.04
 
     workspace:
       clean: all