diff --git a/pkgs/tools/misc/grex/default.nix b/pkgs/tools/misc/grex/default.nix
index 62c216adcbe..f3482ab613e 100644
--- a/pkgs/tools/misc/grex/default.nix
+++ b/pkgs/tools/misc/grex/default.nix
@@ -8,17 +8,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "grex";
-  version = "1.3.0";
-
-  cargoSha256 = "sha256-zNwTk4RcTv2dGbKWelOPSvasBmj7tnjLhQ0DZhZ9hxk=";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "pemistahl";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-NMz35jgd7XPemVdA8nol2H6cgWD3yEPh0FEMPw8kgKQ=";
+    sha256 = "sha256-iKrsiHGXaZ4OXkS28+6r0AhPZsb22fDVbDA2QjaVVTw=";
   };
 
+  cargoSha256 = "sha256-J+kz4aj6CXm0QsMQfPwK+30EtQOtfpCwp821DLhpVCI=";
+
   buildInputs = lib.optionals stdenv.isDarwin [ Security ];
 
   doInstallCheck = true;