diff --git a/jsonref.py b/jsonref.py
index 710546f..d0e8640 100644
--- a/jsonref.py
+++ b/jsonref.py
@@ -38,7 +38,7 @@
 
 from proxytypes import LazyProxy, Proxy
 
-__version__ = "0.2-dev"
+__version__ = "0.3.dev0"
 
 
 class JsonRefError(Exception):