diff --git a/oppe/__init__.py b/oppe/__init__.py
index 641b066..72164f7 100644
--- a/oppe/__init__.py
+++ b/oppe/__init__.py
@@ -3,4 +3,4 @@
 from oppe.oppe import Oppe  # noqa: F401
 
 __name__ = 'oppe'
-__version__ = '0.2.1'
+__version__ = ''