1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 8a5c877..b9bf42a 100644
--- a/setup.py
+++ b/setup.py
@@ -111,7 +111,7 @@ setup(
         'zope.deprecation >= 4.3.0',
         'zope.event',
         'zope.hookable >= 4.2.0',
-        'zope.interface >= 4.1.0',
+        'zope.interface >= 5.3.0a1',
     ],
     include_package_data=True,
     zip_safe=False,