diff --git a/.github/workflows/node-ci.yml b/.github/workflows/node-ci.yml
index 091389d8..c3b41308 100644
--- a/.github/workflows/node-ci.yml
+++ b/.github/workflows/node-ci.yml
@@ -14,17 +14,21 @@ concurrency:
 
 jobs:
   test:
-    name: ${{ matrix.os }} / node-${{ matrix.node }}
+    name: ${{ matrix.os }} / node-${{ matrix.node == '22.13.0' && '22' || matrix.node }}
     runs-on: ${{ matrix.os }}
     timeout-minutes: 20
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node: ["22"]
+        node: ["22.13.0"]
         include:
+          - os: ubuntu-latest
+            node: "24.0.0"
           - os: ubuntu-latest
             node: "24"
+          - os: ubuntu-latest
+            node: "26.0.0"
           - os: ubuntu-latest
             node: "26"
 
@@ -56,6 +60,10 @@ jobs:
       - name: Install dependencies
         run: pnpm --dir sdk/typescript install --frozen-lockfile
 
+      - name: Audit production dependencies
+        if: matrix.os == 'ubuntu-latest' && matrix.node == '22.13.0'
+        run: pnpm --dir sdk/typescript run audit:prod
+
       - name: Typecheck
         run: pnpm --dir sdk/typescript run types
 
diff --git a/.github/workflows/node-release.yml b/.github/workflows/node-release.yml
index 4aef8108..0c7ca663 100644
--- a/.github/workflows/node-release.yml
+++ b/.github/workflows/node-release.yml
@@ -98,6 +98,9 @@ jobs:
       - name: Install dependencies
         run: sfw pnpm --dir sdk/typescript install --frozen-lockfile
 
+      - name: Audit production dependencies
+        run: sfw pnpm --dir sdk/typescript run audit:prod
+
       - name: Verify
         run: |
           pnpm --dir sdk/typescript run types
diff --git a/README.md b/README.md
index 517aaa4d..58953319 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,8 @@
 
 ## Quick start
 
-Requires Node.js 22 or later, Python 3.10 or later, and access to Codex Security.
+Requires Node.js 22.13.0 or later in the 22.x release line, Node.js 24.x, or
+Node.js 26.x; Python 3.10 or later; and access to Codex Security.
 
 ```bash
 npm install @openai/codex-security
diff --git a/sdk/typescript/README.md b/sdk/typescript/README.md
index 2582c7bf..d36e5d82 100644
--- a/sdk/typescript/README.md
+++ b/sdk/typescript/README.md
@@ -15,10 +15,11 @@ npm install @openai/codex-security
 npx @openai/codex-security --version
 ```
 
-The package supports macOS, Linux, and Windows and requires Node.js 22 or
-later. Scanning and exporting findings also require Python 3.10 or later. If
-you use Python 3.10, install the `tomli` package. Select another interpreter
-with `--python`, `pythonPath`, or `PYTHON` when needed.
+The package supports macOS, Linux, and Windows and requires Node.js 22.13.0 or
+later in the 22.x release line, Node.js 24.x, or Node.js 26.x. Scanning and
+exporting findings also require Python 3.10 or later. If you use Python 3.10,
+install the `tomli` package. Select another interpreter with `--python`,
+`pythonPath`, or `PYTHON` when needed.
 
 When a newer version is available, the CLI shows the update command for your
 installation method. Set `CODEX_SECURITY_NO_UPDATE_NOTICE=1` to hide the
diff --git a/sdk/typescript/package.json b/sdk/typescript/package.json
index a3760f70..ac9479c7 100644
--- a/sdk/typescript/package.json
+++ b/sdk/typescript/package.json
@@ -13,7 +13,7 @@
   "bugs": "https://github.com/openai/codex-security/issues",
   "type": "module",
   "engines": {
-    "node": ">=22"
+    "node": "^22.13.0 || ^24.0.0 || ^26.0.0"
   },
   "packageManager": "pnpm@11.9.0+sha512.bd682d5d03fe525ef7c9fd6780c6884d1e756ac4c9c9fe00c538782824310dcf90e3ddc4f53835f06dfaebd5085e41855e0bcbb3b60de2ac5bbab89e5036f03b",
   "main": "./dist/index.js",
@@ -39,13 +39,15 @@
     "access": "public"
   },
   "scripts": {
+    "audit:prod": "pnpm audit --prod --audit-level high",
     "clean": "node -e \"require('node:fs').rmSync('dist',{recursive:true,force:true})\"",
-    "build": "pnpm run clean && tsc -p tsconfig.build.json",
+    "build": "node --run clean && tsc -p tsconfig.build.json",
     "check:package": "node scripts/check-package.mjs",
     "format": "prettier --check --ignore-path .gitignore --ignore-path .prettierignore \"**/*.{cjs,mjs,js,ts,json,md}\"",
     "generate:models": "node scripts/generate-models.cjs",
     "generate:models:check": "node scripts/generate-models.cjs --check",
     "lint": "tsc --noEmit",
+    "prepack": "node --run build",
     "test": "bun test --timeout 30000 ./tests-ts",
     "test:package": "node scripts/smoke-package.mjs",
     "types": "pnpm run generate:models:check && tsc --noEmit"
diff --git a/sdk/typescript/tests-ts/skeleton.test.ts b/sdk/typescript/tests-ts/skeleton.test.ts
index cc5df587..c97fe65e 100644
--- a/sdk/typescript/tests-ts/skeleton.test.ts
+++ b/sdk/typescript/tests-ts/skeleton.test.ts
@@ -28,6 +28,62 @@ function capture(): {
 }
 
 describe("TypeScript package skeleton", () => {
+  test("advertises the tested Node.js 22, 24, and 26 release lines", async () => {
+    const packageJson = JSON.parse(
+      await readFile(new URL("../package.json", import.meta.url), "utf8"),
+    );
+
+    const supportedReleases = ["22.13.0", "22.14.0", "24.0.0", "26.0.0"];
+    const unsupportedReleases = [
+      "22.12.0",
+      "23.0.0",
+      "23.4.0",
+      "23.5.0",
+      "25.0.0",
+      "27.0.0",
+    ];
+
+    expect(
+      supportedReleases.filter((version) =>
+        Bun.semver.satisfies(version, packageJson.engines.node),
+      ),
+    ).toEqual(supportedReleases);
+    expect(
+      unsupportedReleases.filter((version) =>
+        Bun.semver.satisfies(version, packageJson.engines.node),
+      ),
+    ).toEqual([]);
+  });
+
+  test("pins each Node.js minimum and preserves protected and latest LTS checks", async () => {
+    const ciWorkflow = await readFile(
+      new URL("../../../.github/workflows/node-ci.yml", import.meta.url),
+      "utf8",
+    );
+
+    expect(ciWorkflow).toContain(
+      "${{ matrix.node == '22.13.0' && '22' || matrix.node }}",
+    );
+    expect(ciWorkflow).toContain('node: ["22.13.0"]');
+    for (const version of ["24.0.0", "24", "26.0.0", "26"]) {
+      expect(ciWorkflow).toContain(`node: "${version}"`);
+    }
+  });
+
+  test("builds packages without a preinstalled package manager and provides a production audit", async () => {
+    const packageJson = JSON.parse(
+      await readFile(new URL("../package.json", import.meta.url), "utf8"),
+    );
+
+    expect(packageJson.scripts.build).toBe(
+      "node --run clean && tsc -p tsconfig.build.json",
+    );
+    expect(packageJson.scripts.prepack).toBe("node --run build");
+    expect(packageJson.scripts["audit:prod"]).toBe(
+      "pnpm audit --prod --audit-level high",
+    );
+  });
+
   test("exposes canonical finding and hardening fields with public types", () => {
     const finding = {} as Finding;
     const scan = {} as ScanRecord;