diff --git a/pkgs/development/python-modules/pytest-base-url/default.nix b/pkgs/development/python-modules/pytest-base-url/default.nix
index f34c6c8c3f4c..4110a0191f3c 100644
--- a/pkgs/development/python-modules/pytest-base-url/default.nix
+++ b/pkgs/development/python-modules/pytest-base-url/default.nix
@@ -35,6 +35,8 @@ buildPythonPackage rec {
     requests
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   nativeCheckInputs = [
     pytestCheckHook
     pytest-localserver