diff --git a/package/homebrew/magnum-bindings.rb b/package/homebrew/magnum-bindings.rb
index 634fa4a..afd9458 100644
--- a/package/homebrew/magnum-bindings.rb
+++ b/package/homebrew/magnum-bindings.rb
@@ -8,6 +8,7 @@ class MagnumBindings < Formula
 
   depends_on "cmake"
   depends_on "python"
+  depends_on "python-setuptools" => :build
   depends_on "magnum"
   depends_on "pybind11" => :build