diff --git a/pkgs/development/python-modules/cma/default.nix b/pkgs/development/python-modules/cma/default.nix
index 829d15efad6b..23e532bee108 100644
--- a/pkgs/development/python-modules/cma/default.nix
+++ b/pkgs/development/python-modules/cma/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "cma";
-  version = "4.4.0";
+  version = "4.4.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "CMA-ES";
     repo = "pycma";
     tag = "r${version}";
-    hash = "sha256-2uCn5CZma9RLK8zaaPhiQCqnK+2dWgLNr5+Ck2cV6vI=";
+    hash = "sha256-06QPs2hbrIbrPRWidlZYf0jcMGdcDYfg89Ad+4IX/Co=";
   };
 
   # setuptools.errors.PackageDiscoveryError:
diff --git a/pkgs/development/python-modules/pymoo/default.nix b/pkgs/development/python-modules/pymoo/default.nix
index 3fd2265c636c..b49d92bd2119 100644
--- a/pkgs/development/python-modules/pymoo/default.nix
+++ b/pkgs/development/python-modules/pymoo/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
 
@@ -62,7 +63,6 @@ buildPythonPackage rec {
         "file://${pymoo_data}/"
   '';
 
-  pythonRelaxDeps = [ "cma" ];
   pythonRemoveDeps = [ "alive-progress" ];
 
   build-system = [
@@ -114,10 +114,16 @@ buildPythonPackage rec {
     # AttributeError: 'ZDT3' object has no attribute 'elementwise'
     "test_kktpm_correctness"
   ];
+
   disabledTestPaths = [
     # sensitive to float precision
     "tests/algorithms/test_no_modfication.py"
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    # sensitive to float precision
+    "tests/misc/test_kktpm.py::test_kktpm_correctness[zdt3-params3]"
   ];
+
   # Avoid crashing sandboxed build on macOS
   env.MATPLOTLIBRC = writeText "" ''
     backend: Agg