diff --git a/src/NetCoreKit.Infrastructure.Bus.Kafka/NetCoreKit.Infrastructure.Bus.Kafka.csproj b/src/NetCoreKit.Infrastructure.Bus.Kafka/NetCoreKit.Infrastructure.Bus.Kafka.csproj
index fe98b42..4be5756 100644
--- a/src/NetCoreKit.Infrastructure.Bus.Kafka/NetCoreKit.Infrastructure.Bus.Kafka.csproj
+++ b/src/NetCoreKit.Infrastructure.Bus.Kafka/NetCoreKit.Infrastructure.Bus.Kafka.csproj
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="8.0.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="librdkafka.redist" Version="0.11.6" />
     <PackageReference Include="MediatR" Version="6.0.0" />
     <PackageReference Include="Confluent.Kafka" Version="0.11.6" />
diff --git a/src/NetCoreKit.Infrastructure.Bus/NetCoreKit.Infrastructure.Bus.csproj b/src/NetCoreKit.Infrastructure.Bus/NetCoreKit.Infrastructure.Bus.csproj
index 552c262..7c386ed 100644
--- a/src/NetCoreKit.Infrastructure.Bus/NetCoreKit.Infrastructure.Bus.csproj
+++ b/src/NetCoreKit.Infrastructure.Bus/NetCoreKit.Infrastructure.Bus.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
     <PackageReference Include="System.Reactive" Version="4.2.0-preview.63" />
     <PackageReference Include="MediatR" Version="6.0.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
   </ItemGroup>
 
   <ItemGroup>