diff --git a/uvloop/__init__.py b/uvloop/__init__.py
index 092f9f2..47b3658 100644
--- a/uvloop/__init__.py
+++ b/uvloop/__init__.py
@@ -7,7 +7,7 @@ from . import _patch  # NOQA
 from .loop import Loop as __BaseLoop  # NOQA
 
 
-__version__ = '0.10.1'
+__version__ = '0.10.1.dev0'
 __all__ = ('new_event_loop', 'EventLoopPolicy')