diff --git a/pkgs/by-name/de/deno/rusty-v8/default.nix b/pkgs/by-name/de/deno/rusty-v8/default.nix
index 1d61be16e67a..e2ff21e073e4 100644
--- a/pkgs/by-name/de/deno/rusty-v8/default.nix
+++ b/pkgs/by-name/de/deno/rusty-v8/default.nix
@@ -70,14 +70,14 @@ let
 in
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "rusty-v8";
-  version = "149.3.0";
+  version = "149.4.0";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = "rusty_v8";
     tag = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-hQfSDpdQBeQrOerXi+fI6mGCXkFH2ro90eWZX7xcwjA=";
+    hash = "sha256-n4dKtki9ov0lWBeLmMDI4Tpk8zQ8YYSf04QW6DTYisY=";
   };
 
   patches = [
@@ -89,7 +89,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     ./librusty_v8-darwin-fix-__rust_no_alloc_shim_is_unstable_v2.patch
   ];
 
-  cargoHash = "sha256-ROz8f+o/OVNKSm4Hp1z4eCI2pmlNTUpBZ5447uvVXUk=";
+  cargoHash = "sha256-bGqg/6sfBaF/JpObgXyP4Mh+4P9zfuzd454m4wjluGw=";
 
   nativeBuildInputs = [
     llvmPackages.clang