diff --git a/nixos/default.nix b/nixos/default.nix
index a3fbb78e..20d58a46 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -25,6 +25,7 @@
 
   # List packages installed in system profile
   environment.systemPackages = with pkgs; [
+    tmux         # terminal multiplexer
     rbw          # CLI app for Bitwarden
     nfs-utils    # nfs network share tools
     nixfmt       # Formatting nix output
diff --git a/nixos/minimal.nix b/nixos/minimal.nix
index b3e98a4d..cb178c60 100644
--- a/nixos/minimal.nix
+++ b/nixos/minimal.nix
@@ -15,6 +15,7 @@
   
   # List packages installed in system profile
   environment.systemPackages = with pkgs; [
+    tmux
     dconf
     ripgrep
     sbctl
diff --git a/nixos/small.nix b/nixos/small.nix
index 6d121bf6..2eb1dbf5 100644
--- a/nixos/small.nix
+++ b/nixos/small.nix
@@ -22,6 +22,7 @@
   
   # List packages installed in system profile
   environment.systemPackages = with pkgs; [
+    tmux
     rbw
     dconf
     ripgrep