diff --git a/README.md b/README.md
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 # 弾幕 (Danmaku)
-![pylint](https://img.shields.io/badge/PyLint-9.63-yellow?logo=python&logoColor=white)
+![pylint](https://img.shields.io/badge/PyLint-9.49-yellow?logo=python&logoColor=white)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 ## Goal