diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 51612ceb43..56a4e0e7c1 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -7,6 +7,8 @@ hide:
 
 ## Latest Changes
 
+## 0.143.3 (2026-10-16)
+
 ### Fixes
 
 * 🐛 Fix non-finite float serialization in JSONL and SSE streams. PR [#16509](https://github.com/fastapi/fastapi/pull/16509) by [@tiangolo](https://github.com/tiangolo).
diff --git a/fastapi/__init__.py b/fastapi/__init__.py
index fcc0cf3210..38add31d3f 100644
--- a/fastapi/__init__.py
+++ b/fastapi/__init__.py
@@ -1,6 +1,6 @@
 """FastAPI framework, high performance, easy to learn, fast to code, ready for production"""
 
-__version__ = "0.143.2"
+__version__ = "0.143.3"
 
 from starlette import status as status