diff --git a/version.py b/version.py
index a659eb4..372190f 100644
--- a/version.py
+++ b/version.py
@@ -1 +1 @@
-__version__ = "4.0.1.0.dev1"
\ No newline at end of file
+__version__ = "4.1.0.0.dev0"
\ No newline at end of file