diff -r 0169d052e20d -r c0483f61b97e setup.py
--- a/setup.py	Mon May 28 14:05:19 2018 +0200
+++ b/setup.py	Tue May 29 09:48:03 2018 +0200
@@ -63,7 +63,7 @@
           'pyams_pagelet',
           'pyams_skin',
           'pyams_template',
-          'pyams_utils',
+          'pyams_utils >= 0.1.15',
           'pyams_viewlet',
           'pyams_zmq',
           'pyramid',