diff --git a/pkgs/development/tools/toxiproxy/default.nix b/pkgs/development/tools/toxiproxy/default.nix
index 0ab9da2bf8a1..920afba2a30e 100644
--- a/pkgs/development/tools/toxiproxy/default.nix
+++ b/pkgs/development/tools/toxiproxy/default.nix
@@ -17,6 +17,9 @@ buildGoModule rec {
 
   ldflags = [ "-s" "-w" "-X github.com/Shopify/toxiproxy/v2.Version=${version}" ];
 
+  # Fixes tests on Darwin
+  __darwinAllowLocalNetworking = true;
+
   checkFlags = [ "-short" ];
 
   postInstall = ''