diff --git a/Refit.Tests/Refit.Tests.csproj b/Refit.Tests/Refit.Tests.csproj
index 8d436be51..f863ac6bd 100644
--- a/Refit.Tests/Refit.Tests.csproj
+++ b/Refit.Tests/Refit.Tests.csproj
@@ -21,7 +21,7 @@
     <PackageReference Include="System.Reactive" Version="6.0.0" />    
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing" Version="1.1.2-beta1.24169.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing" Version="1.1.2-beta1.24273.1" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
     <ProjectReference Include="..\Refit.HttpClientFactory\Refit.HttpClientFactory.csproj" />
     <ProjectReference Include="..\Refit.Newtonsoft.Json\Refit.Newtonsoft.Json.csproj" />