diff --git a/bigbird/configuration.nix b/bigbird/configuration.nix
index ad025c7..ac7ed56 100644
--- a/bigbird/configuration.nix
+++ b/bigbird/configuration.nix
@@ -32,6 +32,7 @@
   environment.systemPackages = with pkgs; [
     vim
     rsync
+    tmux
   ];
 
   services.openssh.enable = true;