diff --git a/pkgs/applications/science/logic/lean/default.nix b/pkgs/applications/science/logic/lean/default.nix
index b57ee0f61f13..3a0b13d7d09c 100644
--- a/pkgs/applications/science/logic/lean/default.nix
+++ b/pkgs/applications/science/logic/lean/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "lean";
-  version = "3.28.0";
+  version = "3.29.0";
 
   src = fetchFromGitHub {
     owner  = "leanprover-community";
     repo   = "lean";
     rev    = "v${version}";
-    sha256 = "sha256-IzoFE92F559WeSUCiYZ/fx2hrsyRzgOACr3/pzJ4OOY=";
+    sha256 = "sha256-f2Gp76c+4R+ww52f1AyVZqixpei1WZPwr7pfgxMMb9Q=";
   };
 
   nativeBuildInputs = [ cmake ];