diff --git a/pkgs/development/python-modules/sanic/default.nix b/pkgs/development/python-modules/sanic/default.nix
index aaedaa5ef8c5..f503b0b85561 100644
--- a/pkgs/development/python-modules/sanic/default.nix
+++ b/pkgs/development/python-modules/sanic/default.nix
@@ -36,6 +36,8 @@ buildPythonPackage rec {
     "test_zero_downtime" # No "examples.delayed_response.app" module in pypi distribution.
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = with lib; {
     description = "A microframework based on uvloop, httptools, and learnings of flask";
     homepage = "http://github.com/channelcat/sanic/";