1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index eac0e7d..853f686 100644
--- a/setup.py
+++ b/setup.py
@@ -101,7 +101,7 @@ setup(
         'pytz',
         'zope.deprecation',
         'zope.schema',
-        'zope.i18nmessageid',
+        'zope.i18nmessageid >= 4.3',
         'zope.component',
     ],
     extras_require={