diff --git a/web-app-blazor-server/BlazorServerWebApp.csproj b/web-app-blazor-server/BlazorServerWebApp.csproj
index f0c1a79..68e6e13 100644
--- a/web-app-blazor-server/BlazorServerWebApp.csproj
+++ b/web-app-blazor-server/BlazorServerWebApp.csproj
@@ -5,7 +5,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="4.9.0" />
     <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="3.1.0" />
     <PackageReference Include="Microsoft.Identity.Web.UI" Version="3.1.0" />
   </ItemGroup>