diff --git a/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/BookStoreApi.csproj b/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/BookStoreApi.csproj
index 97f8494543db..d478805fff4c 100644
--- a/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/BookStoreApi.csproj
+++ b/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/BookStoreApi.csproj
@@ -10,7 +10,6 @@
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.4" />
     <PackageReference Include="MongoDB.Driver" Version="3.3.0" />
     <PackageReference Include="NSwag.AspNetCore" Version="14.3.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="8.1.0" />
   </ItemGroup>
 
 </Project>
diff --git a/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/Program.cs b/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/Program.cs
index 772d2912fad6..0260561c3aa5 100644
--- a/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/Program.cs
+++ b/aspnetcore/tutorials/first-mongo-app/samples/9.x/BookStoreApi/Program.cs
@@ -31,9 +31,9 @@
 if (app.Environment.IsDevelopment())
 {
     app.MapOpenApi();
-    app.UseSwaggerUI(options =>
+    app.UseSwaggerUi(options =>
     {
-        options.SwaggerEndpoint("/openapi/v1.json", "v1");
+        options.DocumentPath = "/openapi/v1.json";
     });
 }
 // </snippet_UseSwagger>