diff --git a/authlib/consts.py b/authlib/consts.py
index 157a2de0..f2efce3b 100644
--- a/authlib/consts.py
+++ b/authlib/consts.py
@@ -1,5 +1,5 @@
 name = 'Authlib'
-version = '1.3.2'
+version = '1.4.0'
 author = 'Hsiaoming Yang <me@lepture.com>'
 homepage = 'https://authlib.org/'
 default_user_agent = f'{name}/{version} (+{homepage})'
diff --git a/docs/changelog.rst b/docs/changelog.rst
index ccd4fdff..504054f2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,17 +6,25 @@ Changelog
 
 Here you can see the full list of changes between each Authlib release.
 
-Unreleased
-----------
+Version 1.4.0
+-------------
+
+**Released on Dec 20, 2024**
 
 - Fix ``id_token`` decoding when kid is null. :pr:`659`
-- Stop support for Python 3.8. :pr:`682`
 - Support for Python 3.13. :pr:`682`
 - Force login if the ``prompt`` parameter value is ``login``. :pr:`637`
+- Support for httpx 0.28, :pr:`695`
+
+**Breaking changes**:
+
+- Stop support for Python 3.8. :pr:`682`
 
 Version 1.3.2
 -------------
 
+**Released on Aug 30 2024**
+
 - Prevent ever-growing session size for OAuth clients.
 - Revert ``quote`` client id and secret.
 - ``unquote`` basic auth header for authorization server.
diff --git a/pyproject.toml b/pyproject.toml
index ff7f4418..85a859b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ dependencies = [
   "cryptography",
 ]
 license = {text = "BSD-3-Clause"}
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 readme = "README.rst"
 classifiers = [
@@ -18,11 +18,11 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Topic :: Security",