diff --git a/pkgs/development/python-modules/poetry-core/default.nix b/pkgs/development/python-modules/poetry-core/default.nix
index d5262ee22c47..7eef9e740d31 100644
--- a/pkgs/development/python-modules/poetry-core/default.nix
+++ b/pkgs/development/python-modules/poetry-core/default.nix
@@ -53,6 +53,9 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "poetry.core" ];
 
+  # allow for package to use pep420's native namespaces
+  pythonNamespaces = [ "poetry" ];
+
   meta = with lib; {
     description = "Core utilities for Poetry";
     homepage = "https://github.com/python-poetry/poetry-core/";
diff --git a/pkgs/development/python-modules/poetry/default.nix b/pkgs/development/python-modules/poetry/default.nix
index 4b7d35093662..29477474c845 100644
--- a/pkgs/development/python-modules/poetry/default.nix
+++ b/pkgs/development/python-modules/poetry/default.nix
@@ -99,6 +99,9 @@ buildPythonPackage rec {
     })
   ];
 
+  # allow for package to use pep420's native namespaces
+  pythonNamespaces = [ "poetry" ];
+
   meta = with lib; {
     homepage = "https://python-poetry.org/";
     description = "Python dependency management and packaging made easy";