diff --git a/demo/RulesEngineEditorWebAssembly/Program.cs b/demo/RulesEngineEditorWebAssembly/Program.cs
index 007750ab..0a319520 100644
--- a/demo/RulesEngineEditorWebAssembly/Program.cs
+++ b/demo/RulesEngineEditorWebAssembly/Program.cs
@@ -20,6 +20,7 @@ public class Program
     {
         public static async Task Main(string[] args)
         {
+            AppContext.SetSwitch("System.Reflection.NullabilityInfoContext.IsSupported", true);
             var builder = WebAssemblyHostBuilder.CreateDefault(args);
             builder.RootComponents.Add<App>("#app");
 
diff --git a/src/RulesEngineEditor/RulesEngineEditor.csproj b/src/RulesEngineEditor/RulesEngineEditor.csproj
index f14b7e82..d812b866 100644
--- a/src/RulesEngineEditor/RulesEngineEditor.csproj
+++ b/src/RulesEngineEditor/RulesEngineEditor.csproj
@@ -13,9 +13,9 @@
     <PackageReleaseNotes>https://github.com/alexreich/RulesEngineEditor/blob/main/CHANGELOG.md</PackageReleaseNotes>
     <PackageIcon>RulesEngineEditor.png</PackageIcon>
     <PackageIconUrl />
-    <Version>1.4.6</Version>
-    <AssemblyVersion>1.4.6.0</AssemblyVersion>
-    <FileVersion>1.4.6.0</FileVersion>
+    <Version>1.4.7</Version>
+    <AssemblyVersion>1.4.7.0</AssemblyVersion>
+    <FileVersion>1.4.7.0</FileVersion>
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
   <ItemGroup>