diff --git a/setup.py b/setup.py
index ad2c8ca99bf4755adede47c80c999ef023ac7918_c2V0dXAucHk=..a54f2f7862878e6e5ef6fcdbd7a6da49bdb90d5c_c2V0dXAucHk= 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='heptapod',
-    version='0.12.1.dev0',
+    version='0.13.0.dev0',
     author='Georges Racinet',
     author_email='georges.racinet@octobus.net',
     url='https://foss.heptapod.net/heptapod/py-heptapod',