diff --git a/setup.py b/setup.py
index 134d8d2..c883c1e 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
     author_email='satosa-dev@lists.sunet.se',
     description='OpenID Connect Provider (OP) library in Python.',
     install_requires=[
-        'oic>0.13.1',
+        'oic >= 0.15.0',
         'pymongo'
     ]
 )