From b35ae7244d3372031b56646689117a3e4edf19b7 Mon Sep 17 00:00:00 2001
From: Scott Morrison <scott.morrison@gmail.com>
Date: Sat, 21 Oct 2023 18:38:10 +1100
Subject: [PATCH] chore: bump toolchain to v4.2.0-rc4 (#310)

---
 lean-toolchain | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lean-toolchain b/lean-toolchain
index a61d282854..183a307edb 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.2.0-rc3
+leanprover/lean4:v4.2.0-rc4