diff --git a/pkgs/development/tools/viceroy/default.nix b/pkgs/development/tools/viceroy/default.nix
index 3fc919b41757..8577b28f6ef8 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 = "0.4.2";
+  version = "0.4.5";
 
   src = fetchFromGitHub {
     owner = "fastly";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-T0i0vgwWupCc6C1Cn+Mwo+5CsTmmjD6F6nzsIuOZr/M=";
+    hash = "sha256-EfkN0cKCoe6NA3thCVb2uY664GmQdSitv1yg/DTYtls=";
   };
 
   buildInputs = lib.optional stdenv.isDarwin Security;
 
-  cargoHash = "sha256-+CNsChYJU5ut9y7JlqhWZH9VuGwnrxZMguROFtdjFMU=";
+  cargoHash = "sha256-BT1wslIrCCmehWfs9QuT5/HqKJVq5BkoyfKvUIx2nQw=";
 
   cargoTestFlags = [
     "--package viceroy-lib"