diff --git a/Common/DotNettyCore/DotNettyCore.csproj b/Common/DotNettyCore/DotNettyCore.csproj
index 0f3dda3b..df8b4057 100644
--- a/Common/DotNettyCore/DotNettyCore.csproj
+++ b/Common/DotNettyCore/DotNettyCore.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.12.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Libuv" Version="1.10.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.7.0" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.7.1" />