diff --git a/pkgs/development/python-modules/mlxtend/default.nix b/pkgs/development/python-modules/mlxtend/default.nix
index 35f55bb27930..44402b36ec08 100644
--- a/pkgs/development/python-modules/mlxtend/default.nix
+++ b/pkgs/development/python-modules/mlxtend/default.nix
@@ -45,5 +45,7 @@ buildPythonPackage rec {
     license= licenses.bsd3;
     maintainers = with maintainers; [ evax ];
     platforms = platforms.unix;
+    # incompatible with nixpkgs scikitlearn version
+    broken = true;
   };
 }