diff --git a/neovim-lua-library.md b/neovim-lua-library.md
index 9422126..9f7697c 100644
--- a/neovim-lua-library.md
+++ b/neovim-lua-library.md
@@ -2,6 +2,7 @@
 
 - [Table of Contents](#table-of-contents)
   - [Table](#table)
+  - [Class](#class)
   - [Notification](#notification)
   - [async](#async)
   - [UI](#ui)
@@ -24,6 +25,10 @@
 
 - [nvisiom/unqualified.nvim](https://github.com/nvisiom/unqualified.nvim) ![](https://img.shields.io/github/stars/nvisiom/unqualified.nvim) ![](https://img.shields.io/github/last-commit/nvisiom/unqualified.nvim) ![](https://img.shields.io/github/commit-activity/y/nvisiom/unqualified.nvim)
 
+## Class
+
+- [anuvyklack/middleclass](https://github.com/anuvyklack/middleclass) ![](https://img.shields.io/github/stars/anuvyklack/middleclass) ![](https://img.shields.io/github/last-commit/anuvyklack/middleclass) ![](https://img.shields.io/github/commit-activity/y/anuvyklack/middleclass)
+
 ## Notification
 
 - [rcarriga/nvim-notify](https://github.com/rcarriga/nvim-notify) ![](https://img.shields.io/github/stars/rcarriga/nvim-notify) ![](https://img.shields.io/github/last-commit/rcarriga/nvim-notify) ![](https://img.shields.io/github/commit-activity/y/rcarriga/nvim-notify)