diff --git a/pkgs/by-name/vi/viceroy/package.nix b/pkgs/by-name/vi/viceroy/package.nix
index c00cf6cfb0ed..3737274191d5 100644
--- a/pkgs/by-name/vi/viceroy/package.nix
+++ b/pkgs/by-name/vi/viceroy/package.nix
@@ -1,21 +1,23 @@
 {
+  lib,
   rustPlatform,
   fetchFromGitHub,
-  lib,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "viceroy";
-  version = "0.21.0";
+  version = "0.21.1";
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "fastly";
     repo = "viceroy";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-7tX6wDGFsCkOPDIzM7fpZzUI2O6aLc6mM/5QIbNo0Tg=";
+    hash = "sha256-vwoJ7PixrO68vUSo+u10wFdeD0TU2cISNWcNJ4qLTB8=";
   };
 
-  cargoHash = "sha256-kRk0mv89AG7pMxFR6OvVAq0pbOw5czq/PdD2KP6KJmw=";
+  cargoHash = "sha256-dkoKFEeM6DI6Iaypgexa18YjoLySnIX1YfUItySx1Q0=";
 
   cargoTestFlags = [
     "--package"