diff -r ea6802f8b482 -r 0504e5a1e525 src/pyams_workflow.egg-info/requires.txt
--- a/src/pyams_workflow.egg-info/requires.txt	Tue May 29 09:59:12 2018 +0200
+++ b/src/pyams_workflow.egg-info/requires.txt	Mon Jun 11 16:12:08 2018 +0200
@@ -4,7 +4,7 @@
 pyams_security
 pyams_skin
 pyams_template
-pyams_utils
+pyams_utils>=0.1.15
 pyams_viewlet
 pyramid
 zope.component