diff --git a/samplebrowser.csproj b/samplebrowser.csproj
index 23dc6500..75733f96 100644
--- a/samplebrowser.csproj
+++ b/samplebrowser.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.21" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.1.1" />
     <PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="2.1.1" />