diff --git a/pkgs/by-name/rt/rtk/package.nix b/pkgs/by-name/rt/rtk/package.nix
index bfa37c96186a..f2966a8c8913 100644
--- a/pkgs/by-name/rt/rtk/package.nix
+++ b/pkgs/by-name/rt/rtk/package.nix
@@ -12,17 +12,17 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "rtk";
-  version = "0.42.3";
+  version = "0.42.4";
   __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "rtk-ai";
     repo = "rtk";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-UWiu6y3Ci5F5OYQZIB0QuFmgv+tRUTouD9RZfX+PcsA=";
+    hash = "sha256-8nLJ5PVefXmoXQyw6HERfCP06C+l4I+7XLwKFNVNpew=";
   };
 
-  cargoHash = "sha256-ryOxbRwtkmeVnV/oF33eAZu/WileUd18ucgdsOvb5QU=";
+  cargoHash = "sha256-YsKOyEZ281ojqiitnvCFGy/MzHMyr4hlxqMnvrQwguQ=";
 
   nativeBuildInputs = [
     makeWrapper