diff --git a/GRPCDemoApp/GRPCDemoApp/GRPCDemoApp.Server/GRPCDemoApp.Server.csproj b/GRPCDemoApp/GRPCDemoApp/GRPCDemoApp.Server/GRPCDemoApp.Server.csproj
index a1afee1..a4ad50b 100644
--- a/GRPCDemoApp/GRPCDemoApp/GRPCDemoApp.Server/GRPCDemoApp.Server.csproj
+++ b/GRPCDemoApp/GRPCDemoApp/GRPCDemoApp.Server/GRPCDemoApp.Server.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Grpc.AspNetCore.Server" Version="0.1.19-pre1" />
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
 
     <PackageReference Include="Grpc.Tools" Version="1.19.0-pre1" PrivateAssets="All" />
   </ItemGroup>