diff --git a/requirements.txt b/requirements.txt
index ce8cc563..9b559485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 setuptools<70
-zc.buildout==3.1.0
+zc.buildout==3.1.1
 zope.interface==6.4.post2