diff --git a/version.py b/version.py
index 372190f..3498af8 100644
--- a/version.py
+++ b/version.py
@@ -1 +1 @@
-__version__ = "4.1.0.0.dev0"
\ No newline at end of file
+__version__ = "4.1.0.0.dev1"
\ No newline at end of file