diff --git a/cd.nix b/cd.nix
index 8bd2d712a..c2a34172c 100644
--- a/cd.nix
+++ b/cd.nix
@@ -21,6 +21,7 @@
     htop
     iftop
     iotop
+    iptables
     mutt    # for mv
     nethogs
     rxvt_unicode.terminfo