diff --git a/docs/release-notes.md b/docs/release-notes.md
index 421317512..0ce84fafb 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Latest changes
 
+* Add support for Pydantic versions `1.0.0` and above, with temporary (deprecated) backwards compatibility for Pydantic `0.32.2`. PR [#646](https://github.com/tiangolo/fastapi/pull/646) by [@dmontagu](https://github.com/dmontagu).
+
 ## 0.43.0
 
 * Update docs to reduce gender bias. PR [#645](https://github.com/tiangolo/fastapi/pull/645) by [@ticosax](https://github.com/ticosax).