diff --git a/shell.nix b/shell.nix
index 5f56bbf490d..7e625ac0a73 100644
--- a/shell.nix
+++ b/shell.nix
@@ -100,6 +100,7 @@ mkShell {
     nodejs-20_x
     nodejs-20_x.pkgs.pnpm
     nodejs-20_x.pkgs.typescript
+    nodejs-20_x.pkgs.typescript-language-server
 
     # Rust utils for syntax-highlighter service, currently not pinned to the same versions.
     cargo