diff --git a/pkgs/development/python-modules/boltons/default.nix b/pkgs/development/python-modules/boltons/default.nix
index c5c2ecb68bc4..348919554ea0 100644
--- a/pkgs/development/python-modules/boltons/default.nix
+++ b/pkgs/development/python-modules/boltons/default.nix
@@ -34,6 +34,9 @@ buildPythonPackage rec {
     })
   ];
 
+  # Tests bind to localhost
+  __darwinAllowLocalNetworking = true;
+
   pythonImportsCheck = [
     "boltons"
   ];