diff --git a/Directory.Packages.props b/Directory.Packages.props
index 183612f..413a0da 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -51,7 +51,7 @@
 
         <!-- Roslyn -->
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0"/>
-        <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.0.0"/>
+        <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.9.0"/>
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.4"/>
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.4"/>
     </ItemGroup>