diff --git a/pkgs/development/python-modules/cmaes/default.nix b/pkgs/development/python-modules/cmaes/default.nix
new file mode 100644
index 000000000000..fdb2a1d0fcc0
--- /dev/null
+++ b/pkgs/development/python-modules/cmaes/default.nix
@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+, hypothesis
+, numpy
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "cmaes";
+  version = "0.9.1";
+  disabled = pythonOlder "3.7";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "CyberAgentAILab";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-dd5vLT4Q0cI5ts0WgBpjPtOA81exGNjWSNHEiPggYbg=";
+  };
+
+  nativeBuildInputs = [ setuptools ];
+  propagatedBuildInputs = [ numpy ];
+
+  nativeCheckInputs = [ pytestCheckHook hypothesis ];
+
+  pythonImportsCheck = [ "cmaes" ];
+
+  meta = with lib; {
+    description = "Python library for CMA evolution strategy";
+    homepage = "https://github.com/CyberAgentAILab/cmaes";
+    license = licenses.mit;
+    maintainers = [ maintainers.bcdarwin ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 46739002edcc..cf7d7643e03f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1865,6 +1865,8 @@ self: super: with self; {
 
   cma = callPackage ../development/python-modules/cma { };
 
+  cmaes = callPackage ../development/python-modules/cmaes { };
+
   cmarkgfm = callPackage ../development/python-modules/cmarkgfm { };
 
   cmd2 = callPackage ../development/python-modules/cmd2 { };