diff --git a/setup.cfg b/setup.cfg
index 3fcce0338d7fec9b245c3060f548889a6f74332b..337913255fa488068e08130a06b3f523a9297c36 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,7 +5,7 @@ name = procset
 url = https://gitlab.inria.fr/bleuse/procset.py
 author = Raphaël Bleuse
 author_email = raphael.bleuse@imag.fr
-version = 0.1.dev0
+version = 0.1.dev1
 description = Toolkit to manage sets of closed intervals.
 long_description = file: README.rst
 keywords =