diff --git a/pkgs/development/python-modules/pyomo/default.nix b/pkgs/development/python-modules/pyomo/default.nix
index 5cbc5029662d..edeb984839d4 100644
--- a/pkgs/development/python-modules/pyomo/default.nix
+++ b/pkgs/development/python-modules/pyomo/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   version = "6.9.1";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     repo = "pyomo";