diff --git a/pw_package/py/BUILD.gn b/pw_package/py/BUILD.gn
index 309ab2f..dde870b 100644
--- a/pw_package/py/BUILD.gn
+++ b/pw_package/py/BUILD.gn
@@ -28,4 +28,5 @@
     "pw_package/pigweed_packages.py",
   ]
   pylintrc = "$dir_pigweed/.pylintrc"
+  python_deps = [ "$dir_pw_arduino_build/py" ]
 }