diff --git a/setup.py b/setup.py
index 46b7cfd..dfaa026 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,7 @@
         'beeref.assets',
         'beeref.documentation',
         'beeref.fileio',
+        'beeref.widgets',
     ],
     entry_points={
         'gui_scripts': [