diff --git a/appengine/analytics/package.json b/appengine/analytics/package.json
index 8cc3a29ab08..aadb86be593 100644
--- a/appengine/analytics/package.json
+++ b/appengine/analytics/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/building-an-app/build/package.json b/appengine/building-an-app/build/package.json
index 22c2f342cf7..821c76d279e 100644
--- a/appengine/building-an-app/build/package.json
+++ b/appengine/building-an-app/build/package.json
@@ -14,7 +14,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "author": "Google Inc.",
   "license": "Apache-2.0",
diff --git a/appengine/building-an-app/update/package.json b/appengine/building-an-app/update/package.json
index 41f178a8a47..d03ff928b75 100644
--- a/appengine/building-an-app/update/package.json
+++ b/appengine/building-an-app/update/package.json
@@ -14,7 +14,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "author": "Google Inc.",
   "license": "Apache-2.0",
diff --git a/appengine/datastore/package.json b/appengine/datastore/package.json
index 8584493f111..a74b6a8f6e6 100644
--- a/appengine/datastore/package.json
+++ b/appengine/datastore/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/endpoints/package.json b/appengine/endpoints/package.json
index 407ca6f2537..fe3e03da156 100644
--- a/appengine/endpoints/package.json
+++ b/appengine/endpoints/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "deploy": "gcloud app deploy",
diff --git a/appengine/hello-world/flexible_nodejs16_and_earlier/package.json b/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
index b5fe3bc8fb0..6861fe3c42d 100644
--- a/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "=v16.20.0"
+    "node": "=v18.16.0"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/memcached/package.json b/appengine/memcached/package.json
index b2ab5c172cd..9bf73c91288 100644
--- a/appengine/memcached/package.json
+++ b/appengine/memcached/package.json
@@ -6,7 +6,7 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/metadata/flexible_nodejs16_and_earlier/package.json b/appengine/metadata/flexible_nodejs16_and_earlier/package.json
index b4f46fd197a..0ddc5c2773c 100644
--- a/appengine/metadata/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/metadata/flexible_nodejs16_and_earlier/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "system-test": "c8 mocha --exit test/*.test.js",
diff --git a/appengine/metadata/standard/package.json b/appengine/metadata/standard/package.json
index b2c8505a2ab..6db829b2fb5 100644
--- a/appengine/metadata/standard/package.json
+++ b/appengine/metadata/standard/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "system-test": "c8 mocha --exit test/*.test.js",
diff --git a/appengine/pubsub/package.json b/appengine/pubsub/package.json
index a51f9932cc8..38c110a4254 100644
--- a/appengine/pubsub/package.json
+++ b/appengine/pubsub/package.json
@@ -6,7 +6,7 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/static-files/package.json b/appengine/static-files/package.json
index ec0e0643e2a..457733132e7 100644
--- a/appengine/static-files/package.json
+++ b/appengine/static-files/package.json
@@ -6,7 +6,7 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/storage/flexible_nodejs16_and_earlier/package.json b/appengine/storage/flexible_nodejs16_and_earlier/package.json
index 44b9d17295b..aed1d89868c 100644
--- a/appengine/storage/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/storage/flexible_nodejs16_and_earlier/package.json
@@ -6,7 +6,7 @@
     "test": "c8 mocha system-test/*.test.js --exit --timeout=30000"
   },
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "dependencies": {
     "@google-cloud/storage": "^6.9.3",
diff --git a/appengine/twilio/package.json b/appengine/twilio/package.json
index 782cb446bd8..d4e06d05b33 100644
--- a/appengine/twilio/package.json
+++ b/appengine/twilio/package.json
@@ -6,7 +6,7 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "start": "node app.js",
diff --git a/appengine/typescript/package.json b/appengine/typescript/package.json
index ef6b4a2afa7..421af671289 100644
--- a/appengine/typescript/package.json
+++ b/appengine/typescript/package.json
@@ -6,7 +6,7 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": "16.x.x"
+    "node": "18.x"
   },
   "scripts": {
     "prepare": "npm run gcp-build",
diff --git a/talent/package.json b/talent/package.json
index 7536e00a5a1..41fe71a56d8 100644
--- a/talent/package.json
+++ b/talent/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.0",
-    "@types/node": "^16.0.0",
+    "@types/node": "^18.0.0",
     "c8": "^7.13.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",