diff --git a/pkgs/development/python-modules/sipyco/default.nix b/pkgs/development/python-modules/sipyco/default.nix
index 757dc02c3660..277aa4961f3d 100644
--- a/pkgs/development/python-modules/sipyco/default.nix
+++ b/pkgs/development/python-modules/sipyco/default.nix
@@ -27,6 +27,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "sipyco" ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = with lib; {
     description = "Simple Python Communications - used by the ARTIQ experimental control package";
     mainProgram = "sipyco_rpctool";