From b97b73f281a35e4ac77ce9ec977af66499eb52d6 Mon Sep 17 00:00:00 2001
From: Markus Himmel <markus@lean-fro.org>
Date: Thu, 5 Jun 2025 08:53:32 +0200
Subject: [PATCH] Update to Lean 4.20.1

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

diff --git a/lean-toolchain b/lean-toolchain
index 7aca1d8..78adacd 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.19.0
+leanprover/lean4:v4.20.1