diff --git a/Directory.Packages.props b/Directory.Packages.props
index f3a689fa5..e593ec9aa 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -126,7 +126,7 @@
   </ItemGroup>
   <!-- Source generators -->
   <ItemGroup>
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
   </ItemGroup>
   <!-- SourceLink support for all Akka.NET projects -->
   <ItemGroup>