diff --git a/configuration.nix b/configuration.nix
old mode 100755
new mode 100644
index 20bd41d..69f3650
--- a/configuration.nix
+++ b/configuration.nix
@@ -100,7 +100,7 @@
     blueman
     dmidecode
     file
-    cowsay
+    parallel
   # ]) ++ (with pkgs-unstable; [
   # # sendme
   ]);