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 [![Stars](https://img.shields.io/github/stars/openabdev/openab?style=flat-square)](https://github.com/openabdev/openab) [![GitHub Release](https://img.shields.io/github/v/release/openabdev/openab?style=flat-square&logo=github)](https://github.com/openabdev/openab/releases/latest) ![License](https://img.shields.io/badge/license-MIT-A374ED?style=flat-square)
 
-![OpenAB banner](images/banner.png)
+![OpenAB banner](images/banner.jpg)
 
 A lightweight, secure, cloud-native ACP harness that bridges **Discord, Slack**, and any [Agent Client Protocol](https://github.com/anthropics/agent-protocol)-compatible coding CLI (Kiro CLI, Claude Code, Codex, Gemini, OpenCode, Copilot CLI, etc.) over stdio JSON-RPC — delivering the next-generation development experience.
 
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