diff --git a/pkgs/development/python-modules/viser/default.nix b/pkgs/development/python-modules/viser/default.nix
index fa41e4ebe274..79f58d481e16 100644
--- a/pkgs/development/python-modules/viser/default.nix
+++ b/pkgs/development/python-modules/viser/default.nix
@@ -171,6 +171,8 @@ buildPythonPackage (finalAttrs: {
     "viser"
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = {
     changelog = "https://github.com/viser-project/viser/releases/tag/${finalAttrs.src.tag}";
     description = "Web-based 3D visualization in Python";