diff --git a/requirements.txt b/requirements.txt
index 698a546..5280e1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,4 +55,4 @@ wagtail==2.8
 wcwidth==0.1.8
 webencodings==0.5.1
 Willow==1.3
-zope.interface==4.7.1
+zope.interface==5.0.0