From b9ecad413b7645f7403d22de78fb9ff5280722b9 Mon Sep 17 00:00:00 2001
From: Erlend Hamberg <erlend@hamberg.no>
Date: Tue, 19 Aug 2025 14:48:19 +0200
Subject: [PATCH] lean4: 4.21.0 -> 4.22.0

---
 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 931573dad309..b3253fb00b70 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 = "4.21.0";
+  version = "4.22.0";
 
   # 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-IZSx7KmkLMEob8BmK/Bi4sS5nh78NHPQPJYgedv2+6Y=";
+    hash = "sha256-dRS7ZaC/ipIEneheSoTkKkJ5PFeDnLNt8uUknu1lEHA=";
   };
 
   postPatch =