diff --git a/.Brewfile b/.Brewfile
index f8de5695..a45fe0b2 100644
--- a/.Brewfile
+++ b/.Brewfile
@@ -11,7 +11,6 @@ cask "dash"
 cask "deepl"
 cask "dropbox"
 cask "karabiner-elements"
-cask "ngrok"
 cask "obsidian"
 cask "spotify"
 cask "tableplus"
diff --git a/home.nix b/home.nix
index 9080d0b4..716890e6 100644
--- a/home.nix
+++ b/home.nix
@@ -1,9 +1,13 @@
-{ config, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
 {
   nixpkgs.overlays = [
     (import ./overlays/sheldon.nix)
   ];
+
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "ngrok"
+  ];
   # Home Manager needs a bit of information about you and the paths it should
   # manage.
   # home.username = user.name;
@@ -75,6 +79,7 @@
     pkgs.htop
     pkgs.jq
     pkgs.mas # only darwin
+    pkgs.ngrok
     pkgs.ripgrep
     pkgs.starship
     pkgs.tig