diff --git a/pkgs/development/tools/rust/cargo-careful/default.nix b/pkgs/development/tools/rust/cargo-careful/default.nix
index a4d5abfd0233..f0184d66b99c 100644
--- a/pkgs/development/tools/rust/cargo-careful/default.nix
+++ b/pkgs/development/tools/rust/cargo-careful/default.nix
@@ -5,16 +5,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-careful";
-  version = "0.4.1";
+  version = "0.4.2";
 
   src = fetchFromGitHub {
     owner = "RalfJung";
     repo = "cargo-careful";
     rev = "v${version}";
-    hash = "sha256-oiwR6NgHHu9B1L6dSK6KZfgcSdwBPEzUZONwPHr0a4k=";
+    hash = "sha256-Yye1Dz6XTh7bWz63zENQ0QDbYbulO6SnRV7g/6mMgUw=";
   };
 
-  cargoHash = "sha256-sVIAY9eYlpyS/PU6kLInc4hMeD3qcewoMbTH+wTIBuI=";
+  cargoHash = "sha256-syj3Hf+DxPoJgNbZQERHaKAZwMYuCCmuEGb8ylQt1Xo=";
 
   meta = with lib; {
     description = "A tool to execute Rust code carefully, with extra checking along the way";