diff --git a/pkgs/tools/text/hck/default.nix b/pkgs/tools/text/hck/default.nix
index 00ab04a56c66..88ad2308913a 100644
--- a/pkgs/tools/text/hck/default.nix
+++ b/pkgs/tools/text/hck/default.nix
@@ -3,27 +3,26 @@
 , fetchFromGitHub
 , cmake
 , stdenv
-, libiconv
 , CoreFoundation
 , Security
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "hck";
-  version = "0.6.6";
+  version = "0.6.7";
 
   src = fetchFromGitHub {
     owner = "sstadick";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-DUFJZEtJM5Sv41zJvSZ8KsNWFzlictM2T1wS7VxPL04=";
+    sha256 = "sha256-m4YVz3kh4nOkdf6PbbyxjKacUVKdFQet76CMrFYMRHI=";
   };
 
-  cargoSha256 = "sha256-kubQL+p7J2koPDOje5wMxKDeCY4yi0kupfHsJCKYf44=";
+  cargoSha256 = "sha256-4z1kHSev+5+0wpYFEGvvafB50Wz1wr6zObCjvHR9FPU=";
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = lib.optionals stdenv.isDarwin [ libiconv CoreFoundation Security ];
+  buildInputs = lib.optionals stdenv.isDarwin [ CoreFoundation Security ];
 
   meta = with lib; {
     description = "A close to drop in replacement for cut that can use a regex delimiter instead of a fixed string";