diff --git a/pkgs/development/python-modules/ntc-templates/default.nix b/pkgs/development/python-modules/ntc-templates/default.nix
index 9e8601dfd069..28125e54edbf 100644
--- a/pkgs/development/python-modules/ntc-templates/default.nix
+++ b/pkgs/development/python-modules/ntc-templates/default.nix
@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, isPy27
+, pythonOlder
 , poetry-core
 , textfsm
 , pytestCheckHook
@@ -13,7 +13,8 @@ buildPythonPackage rec {
   pname = "ntc-templates";
   version = "3.0.0";
   format = "pyproject";
-  disabled = isPy27;
+
+  disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "networktocode";