diff --git a/pkgs/development/python-modules/pyhepmc/default.nix b/pkgs/development/python-modules/pyhepmc/default.nix
index c9acc09b7350..7e59dbf9b112 100644
--- a/pkgs/development/python-modules/pyhepmc/default.nix
+++ b/pkgs/development/python-modules/pyhepmc/default.nix
@@ -8,6 +8,7 @@
 , pybind11
 , wheel
 , pytestCheckHook
+, pythonOlder
 , graphviz
 }:
 
@@ -16,6 +17,8 @@ buildPythonPackage rec {
   version = "2.12.0";
   format = "pyproject";
 
+  disabled = pythonOlder "3.8";
+
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = pname;