diff --git a/nixos/profiles/role-dev.nix b/nixos/profiles/role-dev.nix
index bd0ee3a..60bb4c8 100644
--- a/nixos/profiles/role-dev.nix
+++ b/nixos/profiles/role-dev.nix
@@ -22,6 +22,7 @@ with config;
     nixpkgs-fmt
     shfmt
     statix
+    tmux
     unstable.helix
 
     # flake imports