diff --git a/elasticsearch/__init__.py b/elasticsearch/__init__.py
index 688e1712..11af2371 100644
--- a/elasticsearch/__init__.py
+++ b/elasticsearch/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import
 
-VERSION = (1, 5, 0, 'dev')
+VERSION = (1, 6, 0, 'dev')
 __version__ = VERSION
 __versionstr__ = '.'.join(map(str, VERSION))