diff --git a/Directory.Packages.props b/Directory.Packages.props
index b48285c..463c011 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -20,7 +20,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="5.9.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.6.0" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.10.0" />
     <PackageVersion Include="NetEvolve.Extensions.TUnit" Version="3.5.484" />