Update version for next release
diff --git a/pyignite/__init__.py b/pyignite/__init__.py
index c26c59a..4b77f68 100644
--- a/pyignite/__init__.py
+++ b/pyignite/__init__.py
@@ -17,4 +17,4 @@
 from pyignite.aio_client import AioClient
 from pyignite.binary import GenericObjectMeta
 
-__version__ = '0.4.0-dev'
+__version__ = '0.5.0-dev'