diff --git a/default.nix b/default.nix
--- a/default.nix
+++ b/default.nix
@@ -98,6 +98,7 @@ let
       buildInputs =
         attrs.buildInputs ++
         (with self; [
+          pkgs.nodePackages.bower
           pkgs.nodePackages.grunt-cli
           pkgs.subversion
           pytest-catchlog