diff --git a/ChangeLog b/ChangeLog
index afe7f18..f550ff9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Dec 14 21:39:30 2023 +0200 Emmanuel Garette <egarette@silique.fr>
+	* add mission dependency for setuptools
+
+Mon Dec 12 20:30:30 2023 +0200 Emmanuel Garette <egarette@silique.fr>
+	* version 4.0
+
 Mon Apr  1 11:47:30 2019 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* version 3.0 rc16
 	* tiramisu is now async
diff --git a/setup.py b/setup.py
index 9812bac..7aad8d9 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,7 @@ setup(
     url='https://framagit.org/tiramisu/tiramisu',
     license='GNU Library or Lesser General Public License (LGPL)',
     provides=['tiramisu_api'],
+    install_requires=['setuptools'],
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)",
diff --git a/tiramisu/__init__.py b/tiramisu/__init__.py
index 4b55c13..1cfd1a3 100644
--- a/tiramisu/__init__.py
+++ b/tiramisu/__init__.py
@@ -56,4 +56,4 @@ allfuncs.extend(all_options)
 del(all_options)
 __all__ = tuple(allfuncs)
 del(allfuncs)
-__version__ = "3.0rc16"
+__version__ = "4.0.1"