diff --git a/pkgs/development/python-modules/cma/default.nix b/pkgs/development/python-modules/cma/default.nix
index 3d39392da6b..8937f78a7a6 100644
--- a/pkgs/development/python-modules/cma/default.nix
+++ b/pkgs/development/python-modules/cma/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "cma";
-  version = "2.7.0";
+  version = "3.0.3";
 
   src = fetchFromGitHub {
     owner = "CMA-ES";
     repo = "pycma";
     rev = "r${version}";
-    sha256 = "0c26969pcqj047axksfffd9pj77n16k4r9h6pyid9q3ah5zk0xg3";
+    sha256 = "00vv7imdkv0bqcs4b8dg9nggxcl2fkcnhdd46n22bcmnwy8rjxv6";
   };
 
   propagatedBuildInputs = [