diff --git a/.github/workflows/build-validation.yml b/.github/workflows/build-validation.yml
index 3f1a207..9594c2d 100644
--- a/.github/workflows/build-validation.yml
+++ b/.github/workflows/build-validation.yml
@@ -22,7 +22,7 @@ on:
 
 env:
   DOTNET_INSTALLER_CHANNEL: 'release/5.0.1xx'
-  DOTNET_DO_INSTALL: 'true'
+  DOTNET_DO_INSTALL: 'false'
   EnableNuGetPackageRestore: 'True'
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel