diff --git a/src/py_pinyin_split/__about__.py b/src/py_pinyin_split/__about__.py
index eac559b..45d37aa 100644
--- a/src/py_pinyin_split/__about__.py
+++ b/src/py_pinyin_split/__about__.py
@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: 2024-present Lukas Strobel <mail@lstrobel.com>
 #
 # SPDX-License-Identifier: MIT
-__version__ = "3.0.2"
+__version__ = "4.0.0"