diff --git a/harbor-demo/src/Kuestenlogik.Bowire.Samples.PortCalls/Kuestenlogik.Bowire.Samples.PortCalls.csproj b/harbor-demo/src/Kuestenlogik.Bowire.Samples.PortCalls/Kuestenlogik.Bowire.Samples.PortCalls.csproj
index 33a5b85..233e425 100644
--- a/harbor-demo/src/Kuestenlogik.Bowire.Samples.PortCalls/Kuestenlogik.Bowire.Samples.PortCalls.csproj
+++ b/harbor-demo/src/Kuestenlogik.Bowire.Samples.PortCalls/Kuestenlogik.Bowire.Samples.PortCalls.csproj
@@ -3,7 +3,7 @@
     <PackageReference Include="HotChocolate.AspNetCore" Version="16.5.1" />
     <PackageReference Include="HotChocolate.Subscriptions.InMemory" Version="16.5.1" />
     <!-- gRPC *client* to Fleet (the BFF fan-out talks gRPC + OData + REST). -->
-    <PackageReference Include="Grpc.Net.Client" Version="2.80.0" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.83.0" />
     <PackageReference Include="Grpc.Tools" Version="2.83.0" PrivateAssets="All" />
     <PackageReference Include="Google.Protobuf" Version="3.35.1" />
     <ProjectReference Include="..\Kuestenlogik.Bowire.Samples.Shared\Kuestenlogik.Bowire.Samples.Shared.csproj" />