diff --git a/setup.py b/setup.py
index 7b03ebd3..21c1179e 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,8 @@ setup(
         'py-bcrypt',
         'nose',
         'werkzeug',
-        'celery',
+        'celery==2.5.3',
+        'kombu==2.1.7',
         'jinja2',
         'sphinx',
         'Babel',