diff -r b0a03a00c83e -r 5046bae5973f src/pyams_gis.egg-info/requires.txt
--- a/src/pyams_gis.egg-info/requires.txt	Tue Jun 30 13:49:33 2020 +0200
+++ b/src/pyams_gis.egg-info/requires.txt	Tue Jun 30 13:55:58 2020 +0200
@@ -8,7 +8,7 @@
 pyams_viewlet
 pyams_zmi
 pyramid
-z3c.form>=3.6
+z3c.form>=4.1
 zope.component
 zope.interface
 zope.schema