diff -r d0779b7d954c -r de01adc43b88 setup.py
--- a/setup.py	Wed Jun 12 12:28:15 2019 +0200
+++ b/setup.py	Wed Jun 12 12:50:23 2019 +0200
@@ -82,6 +82,7 @@
           'zope.annotation',
           'zope.component',
           'zope.container',
+          'zope.dublincore',
           'zope.datetime',
           'zope.interface',
           'zope.location',