diff --git a/samples/csharp_dotnetcore/03.welcome-user/WelcomeUser.csproj b/samples/csharp_dotnetcore/03.welcome-user/WelcomeUser.csproj
index c293a2faf4..03ea9a8416 100644
--- a/samples/csharp_dotnetcore/03.welcome-user/WelcomeUser.csproj
+++ b/samples/csharp_dotnetcore/03.welcome-user/WelcomeUser.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.8" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
     <PackageReference Include="Microsoft.Bot.Builder" Version="4.2.0" />
     <PackageReference Include="Microsoft.Bot.Builder.Dialogs" Version="4.2.0" />
     <PackageReference Include="Microsoft.Bot.Builder.Integration.AspNet.Core" Version="4.2.0" />