diff --git a/global-requirements.txt b/global-requirements.txt
index 853b4da004..e52e8da468 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -36,6 +36,7 @@ msgpack-python
 netaddr>=0.7.6
 netifaces>=0.5
 oauth2
+oauthlib
 ordereddict
 oslo.config>=1.2.0
 os-apply-config