diff --git a/config/default.nix b/config/default.nix
index 12ff968b..8ce97f8a 100644
--- a/config/default.nix
+++ b/config/default.nix
@@ -82,6 +82,29 @@ lib.mkMerge [
 
     programs = {
       fzf.keybindings = true;
+      tmux = {
+        aggressiveResize = true;
+        baseIndex = 0;
+        clock24 = true;
+        historyLimit = 50000;
+        terminal = "xterm-256color";
+        extraConfig = ''
+          # mouse control
+          set -g mouse on
+
+          # focus events enabled for terminals that support them
+          set -g focus-events on
+
+          # open new tab in PWD
+          bind '"' split-window -c "#{pane_current_path}"
+          bind % split-window -h -c "#{pane_current_path}"
+          bind c new-window -c "#{pane_current_path}"
+
+          # don't clear selection on copy
+          bind-key -Tcopy-mode-vi MouseDragEnd1Pane send -X copy-selection-no-clear
+          bind-key -Tcopy-mode-vi y send -X copy-selection-no-clear
+        '';
+      };
       vim.defaultEditor = true;
     };