diff --git a/shell.nix b/shell.nix
index 732c1b1..f9063bc 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,5 @@
 { pkgs ? import <nixpkgs> {} }:
   pkgs.mkShell {
     # nativeBuildInputs is usually what you want -- tools you need to run
-    nativeBuildInputs = [ pkgs.buildPackages.nodejs-15_x ];
+    nativeBuildInputs = [ pkgs.nodejs-15_x pkgs.yarn ];
 }
\ No newline at end of file