diff --git a/frappe/__init__.py b/frappe/__init__.py
index e2d8041992..e19327fcff 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -23,7 +23,7 @@ if PY2:
 	reload(sys)
 	sys.setdefaultencoding("utf-8")
 
-__version__ = '12.1.0'
+__version__ = '12.0.0-dev'
 __title__ = "Frappe Framework"
 
 local = Local()