diff --git a/pkgs/development/python-modules/ntc-templates/default.nix b/pkgs/development/python-modules/ntc-templates/default.nix
index 5619fc76cbc9..cae6faa9f594 100644
--- a/pkgs/development/python-modules/ntc-templates/default.nix
+++ b/pkgs/development/python-modules/ntc-templates/default.nix
@@ -28,7 +28,9 @@ buildPythonPackage rec {
 
   build-system = [ poetry-core ];
 
-  propagatedBuildInputs = [ textfsm ];
+  pythonRelaxDeps = [ "textfsm" ];
+
+  dependencies = [ textfsm ];
 
   nativeCheckInputs = [
     invoke