From 7489430f28406f9bb9262669c03e06fb67d62d59 Mon Sep 17 00:00:00 2001
From: Joseph Tooby-Smith <72603918+jstoobysmith@users.noreply.github.com>
Date: Fri, 7 Jun 2024 09:57:01 -0400
Subject: [PATCH] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 002ddce..d82a8e2 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![](https://img.shields.io/badge/Read_The-Docs-green)](https://heplean.github.io/HepLean/)
 [![](https://img.shields.io/badge/PRs-Welcome-green)](https://github.com/HEPLean/HepLean/pulls)
 [![](https://img.shields.io/badge/Lean-Zulip-green)](https://leanprover.zulipchat.com)
-![](https://img.shields.io/badge/Lean-v4.8.0_rc1-blue)
+![](https://img.shields.io/badge/Lean-v4.9.0_rc1-blue)
 
 A project to digitalize high energy physics.