diff --git a/configuration.nix b/configuration.nix
index d175f62..0110e29 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -47,7 +47,7 @@ in {
   services.openssh.enable = true;
 
   environment.systemPackages = with pkgs; [
-    vim htop git
+    vim htop git tmux
   ];
 
   services.postgresql.settings = {