diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 811da3676..13fc35d74 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -71,6 +71,11 @@ jobs:
           ${{ matrix.os == 'windows-latest' && '--test-concurrency=1' || '' }}
           ${{ github.event_name == 'merge_group' && '--retry' || '' }}
 
+      - name: Run notices tests
+        shell: bash
+        run: >
+          npm run test:notices:no-build
+
   # Gating job for branch protection.
   test-success:
     name: '[Required] Tests passed'
diff --git a/package.json b/package.json
index d903ce4c5..96e51a804 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,10 @@
     "docs:generate": "node scripts/generate-docs.ts",
     "start": "npm run build && node build/src/bin/chrome-devtools-mcp.js",
     "start-debug": "DEBUG=mcp:* DEBUG_COLORS=false npm run build && node build/src/bin/chrome-devtools-mcp.js",
-    "test": "npm run build && node scripts/test.mjs",
-    "test:no-build": "node scripts/test.mjs",
+    "test": "npm run build && node scripts/test.mjs --test-skip-pattern=THIRD_PARTY_NOTICES",
+    "test:no-build": "node scripts/test.mjs --test-skip-pattern=THIRD_PARTY_NOTICES",
+    "test:notices": "npm run bundle && node scripts/test.mjs tests/third_party_notices.test.ts",
+    "test:notices:no-build": "node scripts/test.mjs tests/third_party_notices.test.ts",
     "test:only": "npm run build && node scripts/test.mjs --test-only",
     "test:update-snapshots": "npm run build && node scripts/test.mjs --test-update-snapshots",
     "prepare": "node scripts/prepare.ts",
diff --git a/tests/third_party_notices.test.js.snapshot b/tests/third_party_notices.test.js.snapshot
index e37b22f14..4418c4d97 100644
--- a/tests/third_party_notices.test.js.snapshot
+++ b/tests/third_party_notices.test.js.snapshot
@@ -1,4 +1,4 @@
-exports[`THIRD_PARTY_NOTICES > matches snapshot if exists 1`] = `
+exports[`THIRD_PARTY_NOTICES > matches snapshot 1`] = `
 Name: core-js
 URL: https://core-js.io
 Version: <VERSION>
diff --git a/tests/third_party_notices.test.ts b/tests/third_party_notices.test.ts
index c502a2cea..3778ddf46 100644
--- a/tests/third_party_notices.test.ts
+++ b/tests/third_party_notices.test.ts
@@ -9,17 +9,20 @@ import path from 'node:path';
 import {describe, it} from 'node:test';
 
 describe('THIRD_PARTY_NOTICES', () => {
-  it('matches snapshot if exists', t => {
+  it('matches snapshot', t => {
     const noticesPath = path.join(
       process.cwd(),
       'build/src/third_party/THIRD_PARTY_NOTICES',
     );
-    if (fs.existsSync(noticesPath)) {
-      const content = fs.readFileSync(noticesPath, 'utf-8');
-      const normalizedContent = content
-        .replace(/^Version: .*$/gm, 'Version: <VERSION>')
-        .replaceAll('\r', '');
-      t.assert.snapshot(normalizedContent);
+    if (!fs.existsSync(noticesPath)) {
+      throw new Error(
+        'THIRD_PARTY_NOTICES does not exist, run `npm ci && npm run bundle`',
+      );
     }
+    const content = fs.readFileSync(noticesPath, 'utf-8');
+    const normalizedContent = content
+      .replace(/^Version: .*$/gm, 'Version: <VERSION>')
+      .replaceAll('\r', '');
+    t.assert.snapshot(normalizedContent);
   });
 });