diff --git a/pkgs/development/tools/deadnix/default.nix b/pkgs/development/tools/deadnix/default.nix
index 471f29b2f034..00d51cb94fd5 100644
--- a/pkgs/development/tools/deadnix/default.nix
+++ b/pkgs/development/tools/deadnix/default.nix
@@ -5,16 +5,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "deadnix";
-  version = "0.1.8";
+  version = "1.0.0";
 
   src = fetchFromGitHub {
     owner = "astro";
     repo = "deadnix";
     rev = "v${version}";
-    sha256 = "sha256-4IK+vv3R3UzF5anH1swypPIzXXZmTCJ2kS2eGUcYvLk=";
+    sha256 = "sha256-T8VwxHdy5KI2Kob5wYWGQOGYYJeSfWVPygIOe0PYUMY=";
   };
 
-  cargoSha256 = "sha256-GmvSrU7wDOKc22GU43oFJoYCYiVKQ5Oe6qrLQXLtcyM=";
+  cargoSha256 = "sha256-0pe1zOHoNoAhCb0t8BnL7XewyoqOzVL5w3MTY8pUkUY=";
 
   meta = with lib; {
     description = "Find and remove unused code in .nix source files";