diff --git a/CHANGELOG.md b/CHANGELOG.md
index 095f09d1e0..045da01c3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## 0.21.1 (16th November, 2021)
+
+### Fixed
+
+* The `response.url` property is now correctly annotated as `URL`, instead of `Optional[URL]`. (#1940)
+
 ## 0.21.0 (15th November, 2021)
 
 The 0.21.0 release integrates against a newly redesigned `httpcore` backend.
diff --git a/httpx/__version__.py b/httpx/__version__.py
index 94a5a3310e..60943c3c90 100644
--- a/httpx/__version__.py
+++ b/httpx/__version__.py
@@ -1,3 +1,3 @@
 __title__ = "httpx"
 __description__ = "A next generation HTTP client, for Python 3."
-__version__ = "0.21.0"
+__version__ = "0.21.1"