diff --git a/pkgs/development/python-modules/websockify/default.nix b/pkgs/development/python-modules/websockify/default.nix
index e0f4026c48ee..b7f348fd9cf3 100644
--- a/pkgs/development/python-modules/websockify/default.nix
+++ b/pkgs/development/python-modules/websockify/default.nix
@@ -38,6 +38,8 @@ buildPythonPackage (finalAttrs: {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  __darwinAllowLocalNetworking = true;
+
   disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [
     # this test failed on macos
     # https://github.com/novnc/websockify/issues/552