diff --git a/Directory.Build.props b/Directory.Build.props
index 37633b985..7be5feeb2 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,8 +4,8 @@
     <MinorVersion>1</MinorVersion>
 
     <PackageIdPrefix>CommunityToolkit.Labs</PackageIdPrefix>
-    <RepositoryDirectory>$(MSBuildThisFileDirectory)</RepositoryDirectory>
-    <ToolingDirectory>$(RepositoryDirectory)\tooling</ToolingDirectory>
+    <RepositoryDirectory>$([MSBuild]::EnsureTrailingSlash('$(MSBuildThisFileDirectory)'))</RepositoryDirectory>
+    <ToolingDirectory>$(RepositoryDirectory)tooling</ToolingDirectory>    
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
   </PropertyGroup>
 
diff --git a/tooling b/tooling
index 02a05b95f..4c90e49f5 160000
--- a/tooling
+++ b/tooling
@@ -1 +1 @@
-Subproject commit 02a05b95f0366f14565fc6d7ad3625b3526de819
+Subproject commit 4c90e49f544a46cace6e188f7cd509f56e968a2d