diff --git a/setup.py b/setup.py
index 4619ecd..36c6275 100644
--- a/setup.py
+++ b/setup.py
@@ -55,5 +55,5 @@
     # simple. Or you can use find_packages().
     # TODO: IF LIBRARY FILES ARE A PACKAGE FOLDER,
     #       CHANGE `py_modules=['...']` TO `packages=['...']`
-    py_modules=["adafruit_rsa"],
+    packages=["adafruit_rsa"],
 )