diff --git a/src/Counter.fsproj b/src/Counter.fsproj
index 022523b..716b5c6 100644
--- a/src/Counter.fsproj
+++ b/src/Counter.fsproj
@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
     <PackageReference Include="WebSharper" Version="4.2.8.255" />    
     <PackageReference Include="WebSharper.FSharp" Version="4.2.8.255" />
     <PackageReference Include="WebSharper.UI" Version="4.2.3.111" />