diff --git a/8.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs b/8.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
index e69c860e5..8a8fc9305 100644
--- a/8.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
+++ b/8.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
@@ -1,9 +1,10 @@
+using System.Net;
 using System.Net.Http.Json;
 using System.Security.Claims;
+using System.Text;
 using System.Text.Json;
 using Microsoft.AspNetCore.Components.Authorization;
 using BlazorWasmAuth.Identity.Models;
-using System.Text;
 
 namespace BlazorWasmAuth.Identity
 {
diff --git a/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Backend.csproj b/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Backend.csproj
index 5ca700710..4015a857c 100644
--- a/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Backend.csproj
+++ b/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Backend.csproj
@@ -9,8 +9,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="9.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.7" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.0" />
-    <PackageReference Include="NSwag.AspNetCore" Version="14.1.0" />
   </ItemGroup>
 
 </Project>
diff --git a/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Program.cs b/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Program.cs
index 968b2b789..9499ae813 100644
--- a/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Program.cs
+++ b/9.0/BlazorWebAssemblyStandaloneWithIdentity/Backend/Program.cs
@@ -56,8 +56,8 @@
 // add services to the container
 builder.Services.AddEndpointsApiExplorer();
 
-// add NSwag services
-builder.Services.AddOpenApiDocument();
+// add OpenAPI services
+builder.Services.AddOpenApi();
 
 var app = builder.Build();
 
@@ -67,9 +67,8 @@
     await using var scope = app.Services.CreateAsyncScope();
     await SeedData.InitializeAsync(scope.ServiceProvider);
 
-    // add OpenAPI/Swagger generator and the Swagger UI
-    app.UseOpenApi();
-    app.UseSwaggerUi();
+    // resolve OpenAPI document
+    app.MapOpenApi();
 }
 
 // create routes for the identity endpoints
diff --git a/9.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs b/9.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
index e69c860e5..8a8fc9305 100644
--- a/9.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
+++ b/9.0/BlazorWebAssemblyStandaloneWithIdentity/BlazorWasmAuth/Identity/CookieAuthenticationStateProvider.cs
@@ -1,9 +1,10 @@
+using System.Net;
 using System.Net.Http.Json;
 using System.Security.Claims;
+using System.Text;
 using System.Text.Json;
 using Microsoft.AspNetCore.Components.Authorization;
 using BlazorWasmAuth.Identity.Models;
-using System.Text;
 
 namespace BlazorWasmAuth.Identity
 {