diff --git a/pyardrone/__init__.py b/pyardrone/__init__.py
index <HASH>..<HASH> 100644
--- a/pyardrone/__init__.py
+++ b/pyardrone/__init__.py
@@ -19,7 +19,7 @@ else:
     VIDEO = True
 
 
-__version__ = '0.4.0dev1'
+__version__ = '0.5.0dev1'
 
 __all__ = ('ARDrone',)
 
diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@ from setuptools import setup
 
 setup(
     name='pyardrone',
-    version='0.4.0dev1',
+    version='0.5.0dev1',
     packages=['pyardrone', 'pyardrone.at', 'pyardrone.navdata', 'pyardrone.utils'],
     include_package_data=True,
     license='MIT License',
<I> for the api change