diff --git a/pkgs/applications/science/logic/elan/default.nix b/pkgs/applications/science/logic/elan/default.nix
index b77d06e50091..95286443bd41 100644
--- a/pkgs/applications/science/logic/elan/default.nix
+++ b/pkgs/applications/science/logic/elan/default.nix
@@ -3,16 +3,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "elan";
-  version = "1.4.1";
+  version = "1.4.2";
 
   src = fetchFromGitHub {
     owner = "leanprover";
     repo = "elan";
     rev = "v${version}";
-    sha256 = "sha256-jHECNSXSATLuNHNSVwi7mBTI8l6+cLPDISc5T/4yHDg=";
+    sha256 = "1aq06d66y622n0bbd57dx8s0ajz6cdv1vzaz25wvi4i62sg4x21x";
   };
 
-  cargoSha256 = "sha256-/XwlTmUboDbB6RTanhKyO6o2GBUhxpH/NQjeNsKpse0=";
+  cargoSha256 = "sha256-RzeewQzsV5F5E0xwJF1MpzzQ8usyfQjzlDInOJqZdO8=";
 
   nativeBuildInputs = [ pkg-config makeWrapper ];