diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ pyramid==2.0.2
   venusian==3.0.0
   webob==1.8.7
   zope.deprecation==5.0.0
-  zope.interface==6.2.0
+  zope.interface==6.3.0
 redis==5.0.4
   async-timeout==4.0.3
 repoze.lru==0.7