diff --git a/CHANGES.rst b/CHANGES.rst
index 239be7d..da5f2ba 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,31 @@ Changes
 Unreleased
 ----------
 
+Version 2.8.0
+-------------
+
+Released 2024-10-26
+
+- Add support for Python 3.13. `#577 <https://github.com/dajiaji/python-cwt/pull/577>`__
+- Drop support for Python 3.8. `#576 <https://github.com/dajiaji/python-cwt/pull/576>`__
+- Add enable_non_aead=False option for encode & decode. `#575 <https://github.com/dajiaji/python-cwt/pull/575>`__
+- Add option for Deterministic encoded protected and unprotected headers. `#574 <https://github.com/dajiaji/python-cwt/pull/574>`__
+- Fix link on README. `#552 <https://github.com/dajiaji/python-cwt/pull/552>`__
+- Rename github actions files. `#548 <https://github.com/dajiaji/python-cwt/pull/548>`__
+- Fix error on populating codecov token. `#547 <https://github.com/dajiaji/python-cwt/pull/547>`__
+- Update dependencies.
+    - Bump cryptography to 43.0.3. `#569 <https://github.com/dajiaji/python-cwt/pull/569>`__
+    - Bump cbor2 to 5.6.5. `#566 <https://github.com/dajiaji/python-cwt/pull/566>`__
+    - Bump pyhpke to 0.5.4. `#543 <https://github.com/dajiaji/python-cwt/pull/543>`__
+- Update dev dependencies.
+    - Bump tox to 4.23.2. `#535 <https://github.com/dajiaji/python-cwt/pull/572>`__
+    - Bump pre-commit/black to 24.10.0. `#563 <https://github.com/dajiaji/python-cwt/pull/563>`__
+    - Bump pre-commit/blacken-docs to 1.19.0. `#563 <https://github.com/dajiaji/python-cwt/pull/563>`__
+    - Bump pre-commit/pre-commit-hooks to 5.0.0. `#563 <https://github.com/dajiaji/python-cwt/pull/563>`__
+    - Bump pytest to 8.3.3. `#557 <https://github.com/dajiaji/python-cwt/pull/557>`__
+    - Bump pre-commit/mirrors-mypy to 1.11.2. `#554 <https://github.com/dajiaji/python-cwt/pull/554>`__
+    - Bump pre-commit/flake8 to 7.1.1. `#545 <https://github.com/dajiaji/python-cwt/pull/545>`__
+
 Version 2.7.5
 -------------
 
diff --git a/SECURITY.md b/SECURITY.md
index b5a0afa..113d73c 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -4,8 +4,8 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 2.7.x   | :white_check_mark: |
-| < 2.7   | :x:                |
+| 2.8.x   | :white_check_mark: |
+| < 2.8   | :x:                |
 
 ## Reporting a Vulnerability
 
diff --git a/cwt/__init__.py b/cwt/__init__.py
index 1887fee..53e330e 100644
--- a/cwt/__init__.py
+++ b/cwt/__init__.py
@@ -27,7 +27,7 @@
 from .recipient import Recipient
 from .signer import Signer
 
-__version__ = "2.7.5"
+__version__ = "2.8.0"
 __title__ = "cwt"
 __description__ = "A Python implementation of CWT/COSE"
 __url__ = "https://python-cwt.readthedocs.io"
diff --git a/pyproject.toml b/pyproject.toml
index 0a0e166..1ff80a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "cwt"
-version = "2.7.5"
+version = "2.8.0"
 description = "A Python implementation of CWT/COSE."
 authors = ["Ajitomi Daisuke <dajiaji@gmail.com>"]
 license = "MIT"