diff --git a/mongoengine_plus/version.py b/mongoengine_plus/version.py
index ffcc925..56bd823 100644
--- a/mongoengine_plus/version.py
+++ b/mongoengine_plus/version.py
@@ -1 +1 @@
-__version__ = '0.0.3'
+__version__ = '0.0.4.dev0'