diff --git a/pkgs/development/python-modules/orderedset/default.nix b/pkgs/development/python-modules/orderedset/default.nix
index db9c265ef3ef..9910aefe1cbe 100644
--- a/pkgs/development/python-modules/orderedset/default.nix
+++ b/pkgs/development/python-modules/orderedset/default.nix
@@ -14,5 +14,8 @@ buildPythonPackage rec {
     homepage = "https://pypi.python.org/pypi/orderedset";
     license = licenses.bsd3;
     maintainers = [ maintainers.jtojnar ];
+    # No support for Python 3.9/3.10
+    # https://github.com/simonpercivall/orderedset/issues/36
+    broken = true;
   };
 }