diff --git a/CodeSpace.CSharp/DotNettyTest/DotNettyTest/DotNettyTest/packages.config b/CodeSpace.CSharp/DotNettyTest/DotNettyTest/DotNettyTest/packages.config
index 8a8cc56..8b23623 100644
--- a/CodeSpace.CSharp/DotNettyTest/DotNettyTest/DotNettyTest/packages.config
+++ b/CodeSpace.CSharp/DotNettyTest/DotNettyTest/DotNettyTest/packages.config
@@ -10,7 +10,7 @@
   <package id="DotNetty.Handlers" version="0.6.0" targetFramework="net472" />
   <package id="DotNetty.Transport" version="0.6.0" targetFramework="net472" />
   <package id="DotNetty.Transport.Libuv" version="0.6.0" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.2.0" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="Google.ProtocolBuffers" version="2.4.1.555" targetFramework="net472" />
   <package id="Libuv" version="1.10.0" targetFramework="net472" />
   <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="1.1.0" targetFramework="net472" />