diff --git a/CHANGELOG.md b/CHANGELOG.md
index 591fd381..d04dad90 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Change Log
 
+## [v2.0.4](https://github.com/ably/ably-python/tree/v2.0.4)
+
+[Full Changelog](https://github.com/ably/ably-python/compare/v2.0.3...v2.0.4)
+
+**Merged pull requests:**
+
+- Upgrade httpx version [\#552](https://github.com/ably/ably-python/pull/552) ([sacOO7](https://github.com/sacOO7))
+
 ## [v2.0.3](https://github.com/ably/ably-python/tree/v2.0.3)
 
 [Full Changelog](https://github.com/ably/ably-python/compare/v2.0.2...v2.0.3)
diff --git a/ably/__init__.py b/ably/__init__.py
index a240e95e..a7e1c1dc 100644
--- a/ably/__init__.py
+++ b/ably/__init__.py
@@ -15,4 +15,4 @@
 logger.addHandler(logging.NullHandler())
 
 api_version = '3'
-lib_version = '2.0.3'
+lib_version = '2.0.4'
diff --git a/pyproject.toml b/pyproject.toml
index 694264af..35c1b989 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ably"
-version = "2.0.3"
+version = "2.0.4"
 description = "Python REST and Realtime client library SDK for Ably realtime messaging service"
 license = "Apache-2.0"
 authors = ["Ably <support@ably.com>"]