diff --git a/setup.py b/setup.py
index 95df365765c..2f2b164860e 100644
--- a/setup.py
+++ b/setup.py
@@ -59,6 +59,7 @@ def _DetectBadness():
 packages = [
     'apiclient',
     'googleapiclient',
+    'googleapiclient/discovery_cache',
 ]
 
 install_requires = [