diff --git a/pkgs/development/python-modules/mlx/default.nix b/pkgs/development/python-modules/mlx/default.nix
index 6b522584532f..ac7d944a301e 100644
--- a/pkgs/development/python-modules/mlx/default.nix
+++ b/pkgs/development/python-modules/mlx/default.nix
@@ -126,7 +126,11 @@ buildPythonPackage (finalAttrs: {
     "python/tests/"
   ];
 
-  disabledTests = lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64) [
+  disabledTests = [
+    # brittle memory leak test, see: https://github.com/ml-explore/mlx/pull/3088
+    "test_siblings_without_eval"
+  ]
+  ++ lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64) [
     # Segmentation fault
     "test_lapack"
     "test_multivariate_normal"