diff --git a/samples/BiMonetaryApi/NetCoreKit.Samples.BiMonetaryApi.csproj b/samples/BiMonetaryApi/NetCoreKit.Samples.BiMonetaryApi.csproj
index 09761a3..faf48c6 100644
--- a/samples/BiMonetaryApi/NetCoreKit.Samples.BiMonetaryApi.csproj
+++ b/samples/BiMonetaryApi/NetCoreKit.Samples.BiMonetaryApi.csproj
@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
   </ItemGroup>
 
   <ItemGroup>
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>