diff --git a/shell.nix b/shell.nix
index b6480290b650..db447040db9d 100644
--- a/shell.nix
+++ b/shell.nix
@@ -22,9 +22,12 @@ let
   };
 in
 pkgs.mkShellNoCC {
-  packages = [
+  packages = with pkgs; [
     # The default formatter for Nix code
-    # https://github.com/NixOS/nixfmt
-    pkgs.nixfmt-rfc-style
+    # See https://github.com/NixOS/nixfmt
+    nixfmt-rfc-style
+    # Helper to review Nixpkgs PRs
+    # See CONTRIBUTING.md
+    nixpkgs-review
   ];
 }