diff --git a/pkgs/development/tools/viceroy/default.nix b/pkgs/development/tools/viceroy/default.nix
index 34c547a461fe..2db121ea9341 100644
--- a/pkgs/development/tools/viceroy/default.nix
+++ b/pkgs/development/tools/viceroy/default.nix
@@ -2,18 +2,18 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "viceroy";
-  version = "0.12.0";
+  version = "0.12.1";
 
   src = fetchFromGitHub {
     owner = "fastly";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-0jED0Ju7ojqDxfEjZKmWuCfGR830/gJF5p+QtcVajIY=";
+    hash = "sha256-VzeHebbeqW+Tn1ZEiJRdfxJlWLg9Gf5+5dAaqPoTtP0=";
   };
 
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin Security;
 
-  cargoHash = "sha256-rSZe/MrJlbB0oaAsKg38mEnS3pqe9Rk4/aoRuLlOUFc=";
+  cargoHash = "sha256-WQzY4fh+plyJCBkJJ/4kgUZ8bEWzL5CVGX67LTu4rnI=";
 
   cargoTestFlags = [
     "--package viceroy-lib"