diff --git a/winforms/demo2/WinForms.Reactive.Client.Tests/WinForms.Reactive.Client.Tests.csproj b/winforms/demo2/WinForms.Reactive.Client.Tests/WinForms.Reactive.Client.Tests.csproj
index 48fcdb8b..af7b2b87 100644
--- a/winforms/demo2/WinForms.Reactive.Client.Tests/WinForms.Reactive.Client.Tests.csproj
+++ b/winforms/demo2/WinForms.Reactive.Client.Tests/WinForms.Reactive.Client.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net7.0-windows10.0.17763.0</TargetFramework>
@@ -9,7 +9,7 @@
 
   <ItemGroup>
 	  <PackageReference Include="FluentAssertions" Version="6.12.0" />
-	  <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.2.3">
+	  <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.3.1">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 	  </PackageReference>
diff --git a/winforms/demo2/WinForms.Reactive.Client/WinForms.Reactive.Client.csproj b/winforms/demo2/WinForms.Reactive.Client/WinForms.Reactive.Client.csproj
index 7ef4911a..df899e8a 100644
--- a/winforms/demo2/WinForms.Reactive.Client/WinForms.Reactive.Client.csproj
+++ b/winforms/demo2/WinForms.Reactive.Client/WinForms.Reactive.Client.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
@@ -11,7 +11,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
-		<PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.2.3">
+		<PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.3.1">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>