diff -r 08ac02a87bcd -r 4cbe2708a397 src/pyams_form.egg-info/requires.txt
--- a/src/pyams_form.egg-info/requires.txt	Wed Jun 28 16:43:10 2017 +0200
+++ b/src/pyams_form.egg-info/requires.txt	Wed Jul 12 14:17:54 2017 +0200
@@ -8,7 +8,7 @@
 pyramid_chameleon
 pyramid_zope_request
 setuptools
-z3c.form
+z3c.form >= 3.4.0
 z3c.table
 zope.component
 zope.interface