diff --git a/Installer/IsWiX/IsWiX.wixproj b/Installer/IsWiX/IsWiX.wixproj
index 8224352..d92e08f 100644
--- a/Installer/IsWiX/IsWiX.wixproj
+++ b/Installer/IsWiX/IsWiX.wixproj
@@ -1,5 +1,5 @@
 <Project>
-  <Import Project="Sdk.props" Sdk="WixToolset.Sdk" Version="4.0.2" />
+  <Import Project="Sdk.props" Sdk="WixToolset.Sdk" Version="5.0.0-rc.2" />
   <PropertyGroup>
     <ProductVersion>3.7</ProductVersion>
     <!-- If MSIProductVersion not passed in, try to get it from TFBuild Environments-->
@@ -21,8 +21,8 @@
     <SuppressValidation>True</SuppressValidation>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="WixToolset.UI.wixext" Version="4.0.0" />
-    <PackageReference Include="WixToolset.VisualStudio.wixext" Version="4.0.0" />
+    <PackageReference Include="WixToolset.UI.wixext" Version="5.0.0-rc.2" />
+    <PackageReference Include="WixToolset.VisualStudio.wixext" Version="5.0.0-rc.2" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Resources" />
@@ -34,4 +34,4 @@
     <Content Include="Resources\Icon.ico" />
   </ItemGroup>
   <Import Project="Sdk.targets" Sdk="WixToolset.Sdk" Version="4.0.2" />
-</Project>
\ No newline at end of file
+</Project>