diff --git a/src/ConsoleGrpcClient/ConsoleGrpcClient.csproj b/src/ConsoleGrpcClient/ConsoleGrpcClient.csproj
index b829fd3..194ae83 100644
--- a/src/ConsoleGrpcClient/ConsoleGrpcClient.csproj
+++ b/src/ConsoleGrpcClient/ConsoleGrpcClient.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.9.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Core" Version="2.24.0" />
     <PackageReference Include="Grpc.Net.Client" Version="2.23.2" />
     <PackageReference Include="Grpc.Tools" Version="2.24.0">