diff --git a/pkgs/by-name/co/codex/package.nix b/pkgs/by-name/co/codex/package.nix
index bb15ec6f77af..6fa2aff8ea20 100644
--- a/pkgs/by-name/co/codex/package.nix
+++ b/pkgs/by-name/co/codex/package.nix
@@ -26,29 +26,34 @@
 }:
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "codex";
-  version = "0.142.5";
+  version = "0.144.1";
 
   src = fetchFromGitHub {
     owner = "openai";
     repo = "codex";
     tag = "rust-v${finalAttrs.version}";
-    hash = "sha256-Ua1UVArTvjHcg3bPK1FYyShYiIUH3AOxtoUTvA4UZwU=";
+    hash = "sha256-KHgrqIZyAmLhTZSRYbb7huBO8neOib/B1Vx/oPW2nEU=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/codex-rs";
 
-  cargoHash = "sha256-1gDiCB3Nf/0aIm+EoL3g9C0xbCi3cv6TfH5VytjJpOY=";
+  cargoHash = "sha256-S4dsZXfmKvJItL2XYKyxfhqdCMATEG6oPjrtVRwkuYc=";
 
   __structuredAttrs = true;
 
-  # Match upstream's release build for the codex binary only.
+  # Match upstream's release build for the codex binary, plus its
+  # codex-code-mode-host runtime companion for out-of-process V8 execution.
   cargoBuildFlags = [
     "--package"
     "codex-cli"
+    "--package"
+    "codex-code-mode-host"
   ];
   cargoCheckFlags = [
     "--package"
     "codex-cli"
+    "--package"
+    "codex-code-mode-host"
   ];
 
   postPatch = ''