diff --git a/configuration.nix b/configuration.nix
index 837cff1..94d2c14 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -133,6 +133,7 @@ in {
       zotero
       texliveFull
       texlivePackages.latexmk
+      nmap
       # procps # for pgrep
       # xorg.xrandr
       #  thunderbird