diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 0268051..43443a3 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -89,7 +89,7 @@ jobs:
       - name: Install WiX Toolset
         shell: pwsh
         run: |
-          dotnet tool install --global wix --version 6.0.2
+          dotnet tool install --global wix --version 4.0.5
 
       - name: Add .NET tools to PATH
         shell: pwsh
@@ -98,7 +98,8 @@ jobs:
       - name: Install WiX UI Extension
         shell: pwsh
         run: |
-          wix extension add -g WixToolset.UI.wixext/6.0.2
+          $env:PATH = "$($env:USERPROFILE)\.dotnet\tools;" + $env:PATH
+          wix extension add WixToolset.UI.wixext/4.0.5
           wix extension list
 
       - name: Download and Extract Bonjour SDK