diff --git a/pkgs/development/python-modules/openapi-core/default.nix b/pkgs/development/python-modules/openapi-core/default.nix
index e0e92178e4bd..b9593b0e13c1 100644
--- a/pkgs/development/python-modules/openapi-core/default.nix
+++ b/pkgs/development/python-modules/openapi-core/default.nix
@@ -82,6 +82,8 @@ buildPythonPackage rec {
     ];
   };
 
+  __darwinAllowLocalNetworking = true;
+
   nativeCheckInputs = [
     pytest-aiohttp
     pytestCheckHook