diff --git a/.az-pipelines/windows-build-sign.yml b/.az-pipelines/windows-build-sign.yml
index 01025d278d..20f4ded84f 100644
--- a/.az-pipelines/windows-build-sign.yml
+++ b/.az-pipelines/windows-build-sign.yml
@@ -40,8 +40,9 @@ steps:
     dotnet --version
     dotnet restore
     dotnet pack --output ./nupkg
-    dotnet tool install --global --ignore-failed-sources --add-source ./nupkg --version 0.0.0-gce87e84a58 azuresigntool 
+    dotnet tool install --global --ignore-failed-sources --add-source ./nupkg --version $latest_version azuresigntool 
   displayName: 'Install AST'
+  shell: pwsh
     
 
 - script: |