diff --git a/src/sakia/__init__.py b/src/sakia/__init__.py
index d4c85e47..6dab534e 100644
--- a/src/sakia/__init__.py
+++ b/src/sakia/__init__.py
@@ -1,2 +1,2 @@
-__version_info__ = ('0', '12', '0')
+__version_info__ = ('0', '12', '1dev1')
 __version__ = '.'.join(__version_info__)