diff --git a/Mark_Kraus_Web_Cmdlets_Deep_Dive/WebListener/WebListener.csproj b/Mark_Kraus_Web_Cmdlets_Deep_Dive/WebListener/WebListener.csproj
index 73dd3cf..6c195a2 100644
--- a/Mark_Kraus_Web_Cmdlets_Deep_Dive/WebListener/WebListener.csproj
+++ b/Mark_Kraus_Web_Cmdlets_Deep_Dive/WebListener/WebListener.csproj
@@ -18,7 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.5" />
+    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.22" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.1" />
   </ItemGroup>