diff --git a/requirements.txt b/requirements.txt
index ef161512..65d5a294 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ jsonschema>=2.0.0,<3.0.0
 alembic>=0.4.1
 Babel>=1.3
 iso8601>=0.1.9
-oauthlib>=0.6
+oauthlib>=0.6,<3
 oslo.config>=1.11.0
 oslo.context>=0.2.0
 oslo.utils>=1.4.0