diff --git a/razor/ReactiveUI.RazorExample/ReactiveUI.RazorExample.csproj b/razor/ReactiveUI.RazorExample/ReactiveUI.RazorExample.csproj
index 4ae1181..6582c4c 100644
--- a/razor/ReactiveUI.RazorExample/ReactiveUI.RazorExample.csproj
+++ b/razor/ReactiveUI.RazorExample/ReactiveUI.RazorExample.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Components.Server" Version="3.0.0-preview3-19153-02" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.0-preview3-19153-02" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.0-preview5-19227-01" />
     <PackageReference Include="ReactiveUI" Version="9.18.2" />
     <PackageReference Include="ReactiveUI.Fody" Version="9.18.2" />
   </ItemGroup>