diff --git a/CHANGES/1322.bugfix b/CHANGES/1322.bugfix
new file mode 100644
index 00000000..a64a80c3
--- /dev/null
+++ b/CHANGES/1322.bugfix
@@ -0,0 +1 @@
+Fixed `pydantic` version <2.4, since 2.4 has breaking changes.