diff --git a/composeml/version.py b/composeml/version.py
index ef7eb44d..06f971e2 100644
--- a/composeml/version.py
+++ b/composeml/version.py
@@ -1 +1 @@
-__version__ = '0.6.0'
+__version__ = '0.7.0.dev0'
diff --git a/setup.py b/setup.py
index e42bf311..96bae372 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='composeml',
-    version='0.6.0',
+    version='0.7.0.dev0',
     author='Feature Labs, Inc.',
     author_email='support@featurelabs.com',
     license='BSD 3-clause',