diff --git a/asyncpg/__init__.py b/asyncpg/__init__.py
index <HASH>..<HASH> 100644
--- a/asyncpg/__init__.py
+++ b/asyncpg/__init__.py
@@ -15,4 +15,4 @@ from .types import *  # NOQA
 __all__ = ('connect', 'create_pool', 'Record', 'Connection') + \
           exceptions.__all__  # NOQA
 
-__version__ = '0.14.0'
+__version__ = '0.15.0.dev0'
Post-release version bump for <I> development.