diff --git a/hosts/dnsc-air/default.nix b/hosts/dnsc-air/default.nix
index 2840566..4f6077f 100644
--- a/hosts/dnsc-air/default.nix
+++ b/hosts/dnsc-air/default.nix
@@ -37,6 +37,7 @@
       fnm
       devenv
       rsync
+      tmux
     ]
   );