diff --git a/flake.nix b/flake.nix
index 8b718baf..edf50b4a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -134,6 +134,7 @@
                 findutils
                 gnumake
                 nodejs
+                nodePackages.typescript-language-server
                 ruby_3_0
                 yarn
               ];