diff --git a/GRPC la fenice dei wcf/Demo/GRPC.Demo.TestClient/GRPC.Demo.TestClient.csproj b/GRPC la fenice dei wcf/Demo/GRPC.Demo.TestClient/GRPC.Demo.TestClient.csproj
index 76d5189..bb1b8b6 100644
--- a/GRPC la fenice dei wcf/Demo/GRPC.Demo.TestClient/GRPC.Demo.TestClient.csproj	
+++ b/GRPC la fenice dei wcf/Demo/GRPC.Demo.TestClient/GRPC.Demo.TestClient.csproj	
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.9.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Net.ClientFactory" Version="2.23.2" />
     <PackageReference Include="Grpc.Tools" Version="2.23.0">
       <PrivateAssets>all</PrivateAssets>