diff --git a/src/BitMono.Analyzers/BitMono.Analyzers.csproj b/src/BitMono.Analyzers/BitMono.Analyzers.csproj
index 483eac25..9ce96b46 100644
--- a/src/BitMono.Analyzers/BitMono.Analyzers.csproj
+++ b/src/BitMono.Analyzers/BitMono.Analyzers.csproj
@@ -13,8 +13,8 @@
   <ItemGroup>
     <!-- CSharp = the analyzer, CSharp.Workspaces = the code fix. PrivateAssets=all so neither leaks
          as a dependency (we ship a single DLL into analyzers/dotnet/cs). -->
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.6.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.9.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>