diff --git a/flake.nix b/flake.nix
index 242470a..99b708a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,7 +25,7 @@
             nixpkgs-fmt
             dotnet-sdk_9
             dotnetPackages.Nuget
-            omnisharp-roslyn
+            csharp-ls
             mono
           ];
         };