From 7f4e8517083e42a1b38907598dadc02c7235b30e Mon Sep 17 00:00:00 2001
From: jthulhu <adrien.lc.mathieu@gmail.com>
Date: Sat, 24 Jan 2026 11:11:47 +0100
Subject: [PATCH] lean4: 4.26 -> 4.27

Release notes:
- https://github.com/leanprover/lean4/releases/tag/v4.27.0-rc1
- https://github.com/leanprover/lean4/releases/tag/v4.27.0
---
 pkgs/by-name/le/lean4/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/le/lean4/package.nix b/pkgs/by-name/le/lean4/package.nix
index c52c91176037..9071d99bfa8e 100644
--- a/pkgs/by-name/le/lean4/package.nix
+++ b/pkgs/by-name/le/lean4/package.nix
@@ -15,7 +15,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "lean4";
-  version = "4.26.0";
+  version = "4.27.0";
 
   # Using a vendored version rather than nixpkgs' version to match the exact version required by
   # Lean.  Apparently, even a slight version change can impact greatly the final performance.
@@ -30,7 +30,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "leanprover";
     repo = "lean4";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-KDHE2RX1H+QKojrOUbJjIiKlv2kCvAwp4H8V81tDHbQ=";
+    hash = "sha256-nxAznaWQEilzn93SZTKLKL7TZEPD5LRcJLFmgoCWsXA=";
   };
 
   postPatch =