diff --git a/flask_security/__init__.py b/flask_security/__init__.py
index f9a3b2c..5d9b23f 100644
--- a/flask_security/__init__.py
+++ b/flask_security/__init__.py
@@ -10,7 +10,7 @@
     :license: MIT, see LICENSE for more details.
 """
 
-__version__ = '1.5.0'
+__version__ = '1.5.1-dev'
 
 from .core import Security, RoleMixin, UserMixin, AnonymousUser, current_user
 from .datastore import SQLAlchemyUserDatastore, MongoEngineUserDatastore
diff --git a/setup.py b/setup.py
index 6aed9ac..b59acf2 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ from setuptools import setup
 
 setup(
     name='Flask-Security',
-    version='1.5.0',
+    version='1.5.1-dev',
     url='https://github.com/mattupstate/flask-security',
     license='MIT',
     author='Matt Wright',