diff --git a/flake.nix b/flake.nix
index 3196942..aa780fb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,6 +44,7 @@
             nodePackages.prettier
             nodejs
             pnpm
+            typescript-language-server
           ];
           shellHook = ''
             export IP_CHECKER_CITY_DB=${pkgs.dbip-city-lite.mmdb}