diff --git a/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector.csproj b/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector.csproj
index a7838dc..5308450 100644
--- a/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector.csproj
+++ b/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector/DailogFlow_UiPath_Connector.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Autofac" Version="4.9.4" />
     <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="5.0.1" />
     <PackageReference Include="Google.Cloud.Dialogflow.V2" Version="1.2.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.11.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.1.2" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.10" />