diff -r 9ec07ad66fbb -r 6d8b40599c9c src/pyams_thesaurus.egg-info/requires.txt
--- a/src/pyams_thesaurus.egg-info/requires.txt	Tue Jun 05 14:58:50 2018 +0200
+++ b/src/pyams_thesaurus.egg-info/requires.txt	Mon Jun 11 16:11:07 2018 +0200
@@ -9,7 +9,7 @@
 pyams_security
 pyams_skin
 pyams_template
-pyams_utils
+pyams_utils>=0.1.15
 pyams_viewlet
 pyramid
 pyramid_rpc