diff --git a/web-app-aspnet/WebApp.csproj b/web-app-aspnet/WebApp.csproj
index 511c33e..517b03f 100644
--- a/web-app-aspnet/WebApp.csproj
+++ b/web-app-aspnet/WebApp.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.*" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="4.0.0" />
     <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.*" />
     <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="2.18.1" />
   </ItemGroup>