diff --git a/shell.nix b/shell.nix
index a30cff0..bddd64b 100644
--- a/shell.nix
+++ b/shell.nix
@@ -8,6 +8,7 @@ pkgs.mkShell {
     python3
     uv
     ruff
+    pnpm
   ];
 
   shellHook = ''