diff --git a/samples/Form Flow Sample/Form Flow Sample.csproj b/samples/Form Flow Sample/Form Flow Sample.csproj
index 091c1216..ef896b7f 100644
--- a/samples/Form Flow Sample/Form Flow Sample.csproj	
+++ b/samples/Form Flow Sample/Form Flow Sample.csproj	
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="AdaptiveCards" Version="1.0.3" />
     <PackageReference Include="Bot.Builder.Community.Dialogs.FormFlow" Version="4.8.7" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
     <PackageReference Include="Microsoft.Bot.Builder" Version="4.9.2" />
     <PackageReference Include="Microsoft.Bot.Builder.Dialogs" Version="4.9.2" />
     <PackageReference Include="Microsoft.Bot.Builder.Integration.AspNet.Core" Version="4.9.2" />