diff --git a/modules/tools.nix b/modules/tools.nix
index 063e384..88c1367 100644
--- a/modules/tools.nix
+++ b/modules/tools.nix
@@ -47,6 +47,7 @@
     pciutils # lspci
     reptyr # move process to current terminal
     smartmontools # hard drive monitoring
+    tcpdump # package inspector
     usbutils # lsusb
 
     # eye candy