diff --git a/src/SourceBuild/tarball/patches/aspnetcore/0007-WebHost-delegate-nullability.patch b/src/SourceBuild/tarball/patches/aspnetcore/0007-WebHost-delegate-nullability.patch
index 426502e86..cf15d1bfc 100644
--- a/src/SourceBuild/tarball/patches/aspnetcore/0007-WebHost-delegate-nullability.patch
+++ b/src/SourceBuild/tarball/patches/aspnetcore/0007-WebHost-delegate-nullability.patch
@@ -24,14 +24,14 @@ index ca52bd1f40..643d03e8af 100644
              // There's no way to to register multiple service types per definition. See https://github.com/aspnet/DependencyInjection/issues/360
 -#pragma warning disable CS8634 // The type cannot be used as type parameter in the generic type or method. Nullability of type argument doesn't match 'class' constraint.
 -            _applicationServiceCollection.AddSingleton(services
--                => services.GetService<ApplicationLifetime>() as IHostApplicationLifetime);
+-                => services.GetService<ApplicationLifetime>()! as IHostApplicationLifetime);
 +             _applicationServiceCollection.AddSingleton<IHostApplicationLifetime>(services
 +                => services.GetService<ApplicationLifetime>()!);
  #pragma warning disable CS0618 // Type or member is obsolete
 -            _applicationServiceCollection.AddSingleton(services
--                => services.GetService<ApplicationLifetime>() as AspNetCore.Hosting.IApplicationLifetime);
+-                => services.GetService<ApplicationLifetime>()! as AspNetCore.Hosting.IApplicationLifetime);
 -            _applicationServiceCollection.AddSingleton(services
--                => services.GetService<ApplicationLifetime>() as Extensions.Hosting.IApplicationLifetime);
+-                => services.GetService<ApplicationLifetime>()! as Extensions.Hosting.IApplicationLifetime);
 +            _applicationServiceCollection.AddSingleton<AspNetCore.Hosting.IApplicationLifetime>(services
 +                => services.GetService<ApplicationLifetime>()!);
 +            _applicationServiceCollection.AddSingleton<Extensions.Hosting.IApplicationLifetime>(services