diff --git a/src/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders.csproj b/src/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders.csproj
index ba873841..b0424d00 100644
--- a/src/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders.csproj
+++ b/src/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders/ReactiveMarbles.PropertyChanged.SourceGenerator.Builders.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.11.0" PrivateAssets="all" />
-    <PackageReference Include="ReactiveMarbles.SourceGenerator.TestNuGetHelper" Version="1.2.21" />
+    <PackageReference Include="ReactiveMarbles.SourceGenerator.TestNuGetHelper" Version="1.3.1" />
   </ItemGroup>
 
 </Project>