diff --git a/preserves-tools/default.nix b/preserves-tools/default.nix
index 24619a0..258e4cf 100644
--- a/preserves-tools/default.nix
+++ b/preserves-tools/default.nix
@@ -5,13 +5,13 @@ rustPlatform.buildRustPackage rec {
   # use the name of the actual utility so that
   # nix run …#preserves-tools works as expected.
 
-  version = "1.0.0";
+  version = "2.3.0";
   src = fetchCrate {
     pname = "preserves-tools"; # name of the crate
     inherit version;
-    sha256 = "10vy7pmdbxkcwbr1qwqqv1lfi622pk8ncbp1hn5jrddxrv92q4ph";
+    sha256 = "sha256-I9dqY2pej/HRQg2VGkEoWKOlo4c9TYwk/jw23eN1nlU=";
   };
-  cargoHash = "sha256-h6ulvjTDTj8/fmzEn1YgZKmze4jwpmGjcSq78hmq2cU=";
+  cargoHash = "sha256-0UMGDoyfdEJQQDoUadbU6Ev6yA2k0sQHRvO/Z+4QF5g=";
   nativeBuildInputs = [ rust ];
 
   meta = {