diff --git a/requirements.txt b/requirements.txt
index 844145ad3..e1baefa32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -388,4 +388,4 @@ yapf==0.40.2
 zict==3.0.0
 zipp==3.18.2
 zope.event==5.0
-zope.interface==6.0
+zope.interface==6.4