diff --git a/pkgs/development/python-modules/mlxtend/default.nix b/pkgs/development/python-modules/mlxtend/default.nix
index 63cc4e3b39ec..a3747545b4da 100644
--- a/pkgs/development/python-modules/mlxtend/default.nix
+++ b/pkgs/development/python-modules/mlxtend/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "mlxtend";
-  version = "0.20.0";
+  version = "0.21.0";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "rasbt";
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-ECDO3nc9IEgmZNdSA70BzOODOi0wnisI00F2Dxzdz+M=";
+    sha256 = "sha256-7G4tIoQGS7/YPpAhUn0CRf8fl/DdjdqySPWgJEL0trA=";
   };
 
   checkInputs = [ pytestCheckHook ];