diff --git a/requirements.txt b/requirements.txt
index 24b81de..f625261 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ soupsieve==1.9.3
 transaction==2.4.0
 urllib3==1.25.4
 Werkzeug==0.16.0
-zope.interface==4.6.0
+zope.interface==6.3