diff --git a/configs/desktop.nix b/configs/desktop.nix
index 7a4d3ad..957bf16 100644
--- a/configs/desktop.nix
+++ b/configs/desktop.nix
@@ -15,7 +15,10 @@
     };
     enable = true;
     windowManager = {
-      stumpwm.enable = true;
+      # stumpwm is still on 24.05 / v2.4.10; but NixOS
+      # is using v2.5.4.
+      # stumpwm.enable = true;
+      i3.enable = true;
     };
     xkb = {
       layout = "us";
diff --git a/configs/pkgs.nix b/configs/pkgs.nix
index 47e786c..de1a7c3 100644
--- a/configs/pkgs.nix
+++ b/configs/pkgs.nix
@@ -52,6 +52,7 @@
     scdoc
     silver-searcher
     sqlite-interactive
+    stumpwm
     tailscale
     tcpdump
     texinfo