diff --git a/pkgs/applications/science/logic/lean/default.nix b/pkgs/applications/science/logic/lean/default.nix
index ed2c456c3691..218a27541877 100644
--- a/pkgs/applications/science/logic/lean/default.nix
+++ b/pkgs/applications/science/logic/lean/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "lean";
-  version = "3.34.0";
+  version = "3.35.0";
 
   src = fetchFromGitHub {
     owner  = "leanprover-community";
@@ -11,8 +11,8 @@ stdenv.mkDerivation rec {
     # from. this is then used to check whether an olean file should be
     # rebuilt. don't use a tag as rev because this will get replaced into
     # src/githash.h.in in preConfigure.
-    rev    = "ad324bbc96bfe9cb4169100d23803223a7b59534";
-    sha256 = "0xg9ah5l04bhd2hk9j52cg42xpnzhljwmczl8kq0cjy1yjdm6yh0";
+    rev    = "a68d251bfc57341d8f1f6d8c6e548a0b08ff3b92";
+    sha256 = "0f91kvd4z7rsjyagfx56y1vxmf4wjds7bnz6yh3sd4xx770z58d4";
   };
 
   nativeBuildInputs = [ cmake ];