diff --git a/modules/core/packages.nix b/modules/core/packages.nix
index 8ee83e1f..69bc4f67 100644
--- a/modules/core/packages.nix
+++ b/modules/core/packages.nix
@@ -17,6 +17,7 @@ in {
     file
     findutils
     inetutils
+    lsof
     progress
     pciutils
     usbutils