diff --git a/default.nix b/default.nix
index 54773b8..701306d 100644
--- a/default.nix
+++ b/default.nix
@@ -3,8 +3,8 @@ let sources = import ./nix/sources.nix;
 in {
   imports = [ "${sources.home-manager}/nixos" ./modules ];
 
+  nixpkgs.config.allowBroken = true;
   boot.loader.systemd-boot.enable = true;
-  # boot.loader.efi.canTouchEfiVariables = true;
 
   boot.loader = {
     efi = {
@@ -91,7 +91,7 @@ in {
   #   Install.WantedBy = [ "default.target" ];
   # };
 
-  system.stateVersion = "20.03";
+  system.stateVersion = "21.05";
 
 }
 
diff --git a/modules/applications/misc.nix b/modules/applications/misc.nix
index cb8a02b..612e629 100644
--- a/modules/applications/misc.nix
+++ b/modules/applications/misc.nix
@@ -28,6 +28,7 @@
     okular
     zathura
     cmake
+    kdeconnect
 
     # editors
     # vscodium
@@ -68,5 +69,8 @@
     # zsnes
     # higan
     # fceux
+
+    # games
+    mindustry
   ];
 }
diff --git a/modules/dev/purescript.nix b/modules/dev/purescript.nix
index d0be113..45c493c 100644
--- a/modules/dev/purescript.nix
+++ b/modules/dev/purescript.nix
@@ -6,5 +6,7 @@
     pscid
     pulp
     zephyr
+    psa
+    purs-tidy
   ];
 }
diff --git a/modules/xserver.nix b/modules/xserver.nix
index 46d3e97..c3d6394 100644
--- a/modules/xserver.nix
+++ b/modules/xserver.nix
@@ -12,10 +12,12 @@
       # Enable touchpad support.
       enable = true;
 
-      naturalScrolling = true;
-      accelSpeed = "3.5";
+      touchpad = {
+        naturalScrolling = true;
+        accelSpeed = "3.5";
 
-      tappingDragLock = false;
+        tappingDragLock = false;
+      };
     };
   };
 
diff --git a/nix/sources.json b/nix/sources.json
index 7e07a50..842e1a3 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "cfe9e2e5ae53250337b0ffb3f39b477ca09cd232",
-        "sha256": "1zr8mcxp6gpiv7hy7g94giry0gfak8rbvmsi4f8vrry0jvvhp8x7",
+        "rev": "a6d41ad68b659457e0dea467479ea5e617f83786",
+        "sha256": "1j12bccakyz00vlac7qjpl0bd7il6rgw48yzc014pji03alhh4y7",
         "type": "tarball",
-        "url": "https://github.com/nix-community/NUR/archive/cfe9e2e5ae53250337b0ffb3f39b477ca09cd232.tar.gz",
+        "url": "https://github.com/nix-community/NUR/archive/a6d41ad68b659457e0dea467479ea5e617f83786.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "agnoster": {
@@ -53,10 +53,10 @@
         "homepage": "",
         "owner": "justinwoo",
         "repo": "easy-dhall-nix",
-        "rev": "1f6eecab5c276a59858a10bbfcbbc5611187da03",
-        "sha256": "07n7y93xfiwr82yx2v8r5mxcafsxgs1hdl1ghq6xah5v827fb6q0",
+        "rev": "9bd1bea0dcebe1d1d120c0fd1ba76683dc4a62e3",
+        "sha256": "1gdx1iqhr3ih3f2v304yjnpjqydpl0x4ngrg58qa4x5wlcr5rdhl",
         "type": "tarball",
-        "url": "https://github.com/justinwoo/easy-dhall-nix/archive/1f6eecab5c276a59858a10bbfcbbc5611187da03.tar.gz",
+        "url": "https://github.com/justinwoo/easy-dhall-nix/archive/9bd1bea0dcebe1d1d120c0fd1ba76683dc4a62e3.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "easy-purescript-nix": {
@@ -65,10 +65,10 @@
         "homepage": "",
         "owner": "justinwoo",
         "repo": "easy-purescript-nix",
-        "rev": "47bdc016c7d56e987ca1aca690b1d6c9816a8584",
-        "sha256": "051fzxd03y0c63sll2bhn0h66dywy9lw6ylyh5vq8fymvix20q94",
+        "rev": "eb64583e3e15749b3ae56573b2aebbaa9cbab4eb",
+        "sha256": "0hr7smk7avdgc5nm1r3drq91j1hf8wimp7sg747832345c8vq19a",
         "type": "tarball",
-        "url": "https://github.com/justinwoo/easy-purescript-nix/archive/47bdc016c7d56e987ca1aca690b1d6c9816a8584.tar.gz",
+        "url": "https://github.com/justinwoo/easy-purescript-nix/archive/eb64583e3e15749b3ae56573b2aebbaa9cbab4eb.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "home-manager": {
@@ -113,10 +113,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7e567a3d092b7de69cdf5deaeb8d9526de230916",
-        "sha256": "0gnbxg435pnp727gbakifqkjnf2pm7qsq2b6767rj4si4w60v96v",
+        "rev": "fe01052444c1d66ed6ef76df2af798c9769e9e79",
+        "sha256": "0z99hwxgrvlf0psicwd97kdqqcc3qngfzmcz7k68q6q868y8582y",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/7e567a3d092b7de69cdf5deaeb8d9526de230916.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/fe01052444c1d66ed6ef76df2af798c9769e9e79.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "snack": {