diff --git a/python-nbformat.changes b/python-nbformat.changes
index d6127a1..16c5310 100644
--- a/python-nbformat.changes
+++ b/python-nbformat.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Jul  9 12:09:42 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Like many other packages, jsonschema 4.18 breaks nbformat.
+  * Pin to jsonschema < 4.18
+
 -------------------------------------------------------------------
 Sun Jun 11 20:10:03 UTC 2023 - Ben Greiner <code@bnavigator.de>