diff --git a/src/AlphaTab.Samples.Wpf/AlphaTab.Samples.Wpf.csproj b/src/AlphaTab.Samples.Wpf/AlphaTab.Samples.Wpf.csproj
index c30757a..e9db658 100644
--- a/src/AlphaTab.Samples.Wpf/AlphaTab.Samples.Wpf.csproj
+++ b/src/AlphaTab.Samples.Wpf/AlphaTab.Samples.Wpf.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <TargetFramework>net6.0-windows</TargetFramework>
         <UseWPF>true</UseWPF>
@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="JetBrains.Annotations" Version="2021.3.0" />
+        <PackageReference Include="JetBrains.Annotations" Version="2023.2.0" />
     </ItemGroup>
 
     <ItemGroup>