diff --git a/CHANGES.rst b/CHANGES.rst
index fdc9ee1..afaf949 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,14 @@
 Changelog
 =========
 
+ver 2.9.3
+=========
+
+:date: 2024-01-13 JST
+:base: Reveal.js 5.0.4 (updated)
+
+(None updates for features)
+
 ver 2.9.2
 =========
 
diff --git a/demo/index.rst b/demo/index.rst
index 9ddb2c8..9e86429 100644
--- a/demo/index.rst
+++ b/demo/index.rst
@@ -7,7 +7,7 @@
 Introduction of sphinx-revealjs
 ===============================
 
-:Based version: 2.9.2
+:Based version: 2.9.3
 :Demo updated: 2022-11-13
 
 Overview
diff --git a/setup.cfg b/setup.cfg
index 434e081..cac0bc3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.9.2
+current_version = 2.9.3
 commit = True
 tag = False
 message = release: Bump version {current_version} -> {new_version}
diff --git a/sphinx_revealjs/__init__.py b/sphinx_revealjs/__init__.py
index 4cf6abe..727b638 100644
--- a/sphinx_revealjs/__init__.py
+++ b/sphinx_revealjs/__init__.py
@@ -1,6 +1,6 @@
 """Root module for sphinx-revealjs."""
 
-__version__ = "2.9.2"
+__version__ = "2.9.3"
 
 import sys