diff --git a/src/ReactiveMarbles.SourceGenerator.TestNuGetHelper/ReactiveMarbles.SourceGenerator.TestNuGetHelper.csproj b/src/ReactiveMarbles.SourceGenerator.TestNuGetHelper/ReactiveMarbles.SourceGenerator.TestNuGetHelper.csproj
index be0f8f9..44c2e33 100644
--- a/src/ReactiveMarbles.SourceGenerator.TestNuGetHelper/ReactiveMarbles.SourceGenerator.TestNuGetHelper.csproj
+++ b/src/ReactiveMarbles.SourceGenerator.TestNuGetHelper/ReactiveMarbles.SourceGenerator.TestNuGetHelper.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="ReactiveMarbles.NuGet.Helpers" Version="1.1.1" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
     <PackageReference Include="ICSharpCode.Decompiler" Version="8.2.0.7535" />
   </ItemGroup>
 </Project>