diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 2b37ea4..e66f088 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -92,6 +92,7 @@ in {
     htop
     iftop
     lm_sensors
+    ndisc6
     nixfmt
     tcpdump
     tmux