diff --git a/pkgs/applications/science/logic/lean/default.nix b/pkgs/applications/science/logic/lean/default.nix
index 5c6ad241cb76..0c21ce109b8f 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 = "3.32.1";
+  version = "3.33.0";
 
   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    = "35b3a9c4e2d35cccb5ed220ea2f2909a4ed2ca90";
-    sha256 = "0s69smknsvycvydbk2f3vcqj1z3jrbv3k048z2r46391dai5iwhf";
+    rev    = "a0fb1e8c7ac81dfd2e80ad0de08f4e57ee853d82";
+    sha256 = "03xz3c3dzjhvjzpa8811cgzzqzw8fpajmspykavmb259i391w0y7";
   };
 
   nativeBuildInputs = [ cmake ];