diff --git a/GrpcHost/Contracts/Contracts.csproj b/GrpcHost/Contracts/Contracts.csproj
index 7d83a14..73c4510 100644
--- a/GrpcHost/Contracts/Contracts.csproj
+++ b/GrpcHost/Contracts/Contracts.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.7.0" />
-    <PackageReference Include="Google.Protobuf.Tools" Version="3.7.0" />
+    <PackageReference Include="Google.Protobuf.Tools" Version="3.11.2" />
     <PackageReference Include="Grpc" Version="1.19.0" />
     <PackageReference Include="Grpc.Reflection" Version="1.19.0" />
     <PackageReference Include="Grpc.Tools" Version="1.19.0">