diff --git a/.github/config/nodejs-dev.jsonc b/.github/config/nodejs-dev.jsonc
index c8ca78b18b..6275022fd2 100644
--- a/.github/config/nodejs-dev.jsonc
+++ b/.github/config/nodejs-dev.jsonc
@@ -77,6 +77,7 @@
     "recaptcha_enterprise/demosite/app", // no tests exist
 
     // These tests are already passing in prod, so skip them in dev.
+    "ai-platform/snippets",
     "appengine/building-an-app/build",
     "appengine/building-an-app/update",
     "appengine/datastore",
diff --git a/.github/config/nodejs.jsonc b/.github/config/nodejs.jsonc
index b8bc67ffcb..be4a9cde3b 100644
--- a/.github/config/nodejs.jsonc
+++ b/.github/config/nodejs.jsonc
@@ -75,7 +75,6 @@
     "recaptcha_enterprise/demosite/app", // no tests exist
 
     // TODO: fix these
-    "ai-platform/snippets", // PERMISSION_DENIED: Permission denied: Consumer 'projects/undefined' has been suspended.
     "automl", // (untested) FAILED_PRECONDITION: Google Cloud AutoML Natural Language was retired on March 15, 2024. Please migrate to Vertex AI instead
     "cloud-sql/sqlserver/tedious", // (untested) TypeError: The "config.server" property is required and must be of type string.
     "compute", // GoogleError: The resource 'projects/long-door-651/zones/us-central1-a/disks/disk-from-pool-name' was not found
diff --git a/.github/workflows/custard-ci.yaml b/.github/workflows/custard-ci.yaml
index a63e570c33..4ff2a20886 100644
--- a/.github/workflows/custard-ci.yaml
+++ b/.github/workflows/custard-ci.yaml
@@ -145,7 +145,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          node-version: ${{ fromJson(env.CI_SETUP).node-version }}
+          node-version: 16
       - uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f # v2
         id: auth
         with:
diff --git a/.github/workflows/custard-run.yaml b/.github/workflows/custard-run.yaml
index c5fc5c94d2..90230e0198 100644
--- a/.github/workflows/custard-run.yaml
+++ b/.github/workflows/custard-run.yaml
@@ -82,7 +82,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          node-version: 20
+          node-version: 16
       - run: npm install
       - name: npx gtx lint (${{ needs.affected.outputs.num-paths }} packages)
         uses: GoogleCloudPlatform/cloud-samples-tools/actions/steps/map-run@9ee708234e240605d96e78f652c333ed6aa95a23 # v0.3.2
diff --git a/ai-platform/snippets/ci-setup.json b/ai-platform/snippets/ci-setup.json
new file mode 100644
index 0000000000..b1a85518cc
--- /dev/null
+++ b/ai-platform/snippets/ci-setup.json
@@ -0,0 +1,6 @@
+{
+  "timeout-minutes": 20,
+  "secrets": {
+    "CAIP_PROJECT_ID": "nodejs-docs-samples-tests/nodejs-docs-samples-ai-platform-caip-project-id"
+  }
+}
diff --git a/ai-platform/snippets/package.json b/ai-platform/snippets/package.json
index 4d7ad0964f..3c8d2d47c0 100644
--- a/ai-platform/snippets/package.json
+++ b/ai-platform/snippets/package.json
@@ -10,19 +10,19 @@
     "*.js"
   ],
   "scripts": {
-    "test": "c8 mocha -p -j 2 --timeout 2400000 test/*.js"
+    "test": "c8 mocha -p -j 2 --timeout 2400000 test/*.js --reporter list"
   },
   "dependencies": {
-    "@google-cloud/aiplatform": "^3.0.0",
-    "@google-cloud/bigquery": "^7.0.0",
+    "@google-cloud/aiplatform": "^4.0.0",
+    "@google-cloud/bigquery": "^8.0.0",
     "@google-cloud/storage": "^7.0.0"
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^4.5.0",
-    "mocha": "^10.0.0",
-    "uuid": "^10.0.0",
-    "sinon": "^18.0.0"
+    "chai": "^5.0.0",
+    "mocha": "^11.0.0",
+    "uuid": "^11.0.0",
+    "sinon": "^20.0.0"
   }
 }
 
diff --git a/ai-platform/snippets/test/batch-prediction-gemini.test.js b/ai-platform/snippets/test/batch-prediction-gemini.test.js
index 87d58dd618..721c085da9 100644
--- a/ai-platform/snippets/test/batch-prediction-gemini.test.js
+++ b/ai-platform/snippets/test/batch-prediction-gemini.test.js
@@ -16,12 +16,12 @@
 
 'use strict';
 
-const {assert} = require('chai');
-const {after, describe, it} = require('mocha');
-const cp = require('child_process');
-const {JobServiceClient} = require('@google-cloud/aiplatform');
+import { assert } from 'chai';
+import { after, describe, it } from 'mocha';
+import { execSync as _execSync } from 'child_process';
+import { JobServiceClient } from '@google-cloud/aiplatform';
 
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+const execSync = cmd => _execSync(cmd, {encoding: 'utf-8'});
 
 describe('Batch predict with Gemini', async () => {
   const projectId = process.env.CAIP_PROJECT_ID;
diff --git a/ai-platform/snippets/test/create-batch-prediction-job-text-classification.test.js b/ai-platform/snippets/test/create-batch-prediction-job-text-classification.test.js
index ac285ad4c4..91c9d1a3f6 100644
--- a/ai-platform/snippets/test/create-batch-prediction-job-text-classification.test.js
+++ b/ai-platform/snippets/test/create-batch-prediction-job-text-classification.test.js
@@ -16,18 +16,18 @@
 
 'use strict';
 
-const {assert} = require('chai');
-const {after, describe, it} = require('mocha');
-const uuid = require('uuid').v4;
-const cp = require('child_process');
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+import { assert } from 'chai';
+import { after, describe, it } from 'mocha';
+import { v4 as uuid } from 'uuid';
+import { execSync as _execSync } from 'child_process';
+const execSync = cmd => _execSync(cmd, {encoding: 'utf-8'});
 
-const aiplatform = require('@google-cloud/aiplatform');
+import { v1 } from '@google-cloud/aiplatform';
 const clientOptions = {
   apiEndpoint: 'us-central1-aiplatform.googleapis.com',
 };
 
-const jobServiceClient = new aiplatform.v1.JobServiceClient(clientOptions);
+const jobServiceClient = new v1.JobServiceClient(clientOptions);
 
 const batchPredictionDisplayName = `temp_create_batch_prediction_text_classification_test${uuid()}`;
 const modelId = '7827432074230366208';