diff --git a/Formula/m/mlx.rb b/Formula/m/mlx.rb
index bfc6c2416cbd9..12344c0e03af1 100644
--- a/Formula/m/mlx.rb
+++ b/Formula/m/mlx.rb
@@ -3,12 +3,23 @@ class Mlx < Formula
 
   desc "Array framework for Apple silicon"
   homepage "https://github.com/ml-explore/mlx"
-  url "https://github.com/ml-explore/mlx/archive/refs/tags/v0.21.0.tar.gz"
-  sha256 "41f8ff1b5367b4d1a3ca9c026e857bdcf5ec777e781a957ddfea3b21d7dfea6d"
-  # Main license is MIT while `metal-cpp` resource is Apache-2.0
-  license all_of: ["MIT", "Apache-2.0"]
+  license all_of: [
+    "MIT", # main license
+    "Apache-2.0", # metal-cpp resource
+  ]
   head "https://github.com/ml-explore/mlx.git", branch: "main"
 
+  stable do
+    url "https://github.com/ml-explore/mlx/archive/refs/tags/v0.21.1.tar.gz"
+    sha256 "1ce949256c343a4a9fb1e53cc15f537ad2faceccbb3ad314cd47a198b534bcac"
+
+    # fix x86 tests, upstream pr ref, https://github.com/ml-explore/mlx/pull/1691
+    patch do
+      url "https://github.com/ml-explore/mlx/commit/f3dfa36a3aa67dfc4488996bf7f218f976bef9aa.patch?full_index=1"
+      sha256 "5b798fa17ee6fccd4b031b99d8301f9fb434545f6e4ebbbd544376403c1a4c3d"
+    end
+  end
+
   bottle do
     sha256 cellar: :any, arm64_sequoia: "fd18516eef6904ee30fff4c8a064bb5a26e2f760b160452881b737058440e991"
     sha256 cellar: :any, arm64_sonoma:  "23800da529205b61f80056c4b23f4977f09312cce9f078f49ed369954711599e"