diff --git a/aiostream/__init__.py b/aiostream/__init__.py
index a44ad6f..b2ca010 100644
--- a/aiostream/__init__.py
+++ b/aiostream/__init__.py
@@ -26,7 +26,7 @@
     streamcontext,
 )
 
-__version__ = "0.6.2"
+__version__ = "0.6.3.dev0"
 
 __all__ = [
     "stream",