diff --git a/rero_ebooks/version.py b/rero_ebooks/version.py
index a99f2e4..d76b641 100644
--- a/rero_ebooks/version.py
+++ b/rero_ebooks/version.py
@@ -30,4 +30,4 @@
 
 from __future__ import absolute_import, print_function
 
-__version__ = '1.0.0'
+__version__ = '0.1.0a1'