diff --git a/pkgs/development/python-modules/xml2rfc/default.nix b/pkgs/development/python-modules/xml2rfc/default.nix
index 8a627d375ab4..0123cf4c554f 100644
--- a/pkgs/development/python-modules/xml2rfc/default.nix
+++ b/pkgs/development/python-modules/xml2rfc/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
   version = "3.18.2";
   format = "setuptools";
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "ietf-tools";