diff --git a/Client/Client.csproj b/Client/Client.csproj
index 5497a69..8f8b1a0 100644
--- a/Client/Client.csproj
+++ b/Client/Client.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
   
   <ItemGroup>
-    <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" />
     <PackageReference Include="Grpc.Tools" Version="2.27.0">
       <PrivateAssets>all</PrivateAssets>