diff --git a/flake.nix b/flake.nix
index 27c2b76..c2755c3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,13 @@
   description = "A Special Snowflake :3";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+    nixpkgs = {
+      url = "github:numtide/nixpkgs-unfree";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
+
     nixos-hardware.url = "github:nixos/nixos-hardware";
 
     home-manager = {
diff --git a/home-modules/picom.nix b/home-modules/picom.nix
index c5cf866..d3fedf4 100644
--- a/home-modules/picom.nix
+++ b/home-modules/picom.nix
@@ -2,7 +2,7 @@
   services.picom = {
     enable = true;
     package = pkgs.picom-next;
-    backend = "xrender";
+    backend = "glx";
     vSync = true;
     fade = true;
     fadeDelta = 5;
@@ -17,5 +17,8 @@
       "window_type *= 'normal' && ! name ~= ''"
       "class_g = 'Peek'"
     ];
+    fadeExclude = [
+      "class_g = 'xsecurelock'"
+    ];
   };
 }
diff --git a/hosts/x1/configuration.nix b/hosts/x1/configuration.nix
index 9961f40..22cec67 100644
--- a/hosts/x1/configuration.nix
+++ b/hosts/x1/configuration.nix
@@ -59,7 +59,7 @@ in {
     tailscale.enable = true;
 
     # fingerprint scanner daemon
-    # to enrolla finger, use sudo fprintd-enroll $USER
+    # to enroll a finger, use sudo fprintd-enroll $USER
     fprintd.enable = true;
   };
 
diff --git a/modules/common.nix b/modules/common.nix
index ff853a7..6d0ea03 100644
--- a/modules/common.nix
+++ b/modules/common.nix
@@ -26,9 +26,11 @@
     settings = {
       substituters = [
         "https://cache.vedenemo.dev"
+        "https://numtide.cachix.org"
       ];
       trusted-public-keys = [
         "cache.vedenemo.dev:8NhplARANhClUSWJyLVk4WMyy1Wb4rhmWW2u8AejH9E="
+        "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
       ];
       trusted-users = [user];
       experimental-features = ["nix-command" "flakes"];
diff --git a/modules/laptop.nix b/modules/laptop.nix
index 9f09f3e..e37d2dc 100644
--- a/modules/laptop.nix
+++ b/modules/laptop.nix
@@ -49,7 +49,6 @@
       Environment = [
         "XSECURELOCK_COMPOSITE_OBSCURER=0"
         "XSECURELOCK_PASSWORD_PROMPT=asterisks"
-        "XSECURELOCK_SHOW_HOSTNAME=0"
         "XSECURELOCK_SHOW_KEYBOARD_LAYOUT=0"
       ];
       ExecStart = "${pkgs.xss-lock}/bin/xss-lock --session \${XDG_SESSION_ID} -- ${pkgs.xsecurelock}/bin/xsecurelock";
diff --git a/overlays/dwm.nix b/overlays/dwm.nix
index 6214aea..47097d3 100644
--- a/overlays/dwm.nix
+++ b/overlays/dwm.nix
@@ -3,8 +3,8 @@
     src = pkgs.fetchFromGitHub {
       owner = "joinemm";
       repo = "dwm";
-      rev = "357fded817f8d734f4ddcc47463532c7256e5371";
-      sha256 = "sha256-fHmp0YMA1SUqVlyajZKVFuz38Sz6iwsXp2oehnaGbBo=";
+      rev = "c0b431747eb4afa4f31b1dce79ff53253f2c4b63";
+      sha256 = "sha256-YfMJVKMdNR9NiR3OK7CrHdrC3k9NLZ1UTI24KTa0Wt4=";
     };
     nativeBuildInputs = with pkgs; [
       xorg.libX11