diff -r 7244519886cc -r bf6607bda112 setup.py
--- a/setup.py	Mon May 28 14:03:53 2018 +0200
+++ b/setup.py	Tue May 29 09:51:18 2018 +0200
@@ -61,7 +61,7 @@
           'pyams_pagelet',
           'pyams_skin',
           'pyams_template',
-          'pyams_utils',
+          'pyams_utils >= 0.1.15',
           'pyams_viewlet',
           'pyramid',
           'python-magic',