diff --git a/src/HashNet.Net/HashNet.Net.csproj b/src/HashNet.Net/HashNet.Net.csproj
index f26de67..7611f68 100644
--- a/src/HashNet.Net/HashNet.Net.csproj
+++ b/src/HashNet.Net/HashNet.Net.csproj
@@ -11,7 +11,7 @@
     <Protobuf Include="..\..\tolar\proto\network.proto" GrpcServices="NetworkService" Link="proto\network.proto" />
     <Protobuf Include="..\..\tolar\proto\node.proto" GrpcServices="NodeService" Link="proto\node.proto" />
     <!--<Protobuf Include="..\..\tolar\proto\version.proto" GrpcServices="VersionService" Link="proto\version.proto" />-->
-    <PackageReference Include="Google.Protobuf" Version="3.11.4" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
 
     <PackageReference Include="Grpc.Net.Client" Version="2.27.0" />