diff --git a/functions/imagemagick/package.json b/functions/imagemagick/package.json
index 10a5af2232b..d53e6549d3c 100644
--- a/functions/imagemagick/package.json
+++ b/functions/imagemagick/package.json
@@ -9,20 +9,20 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=18.17.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=30000 --exit"
   },
   "dependencies": {
-    "@google-cloud/storage": "^7.0.0",
-    "@google-cloud/vision": "^4.0.0",
+    "@google-cloud/storage": "^8.0.0",
+    "@google-cloud/vision": "^5.0.0",
     "sharp": "^0.35.3"
   },
   "devDependencies": {
-    "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^10.0.0",
-    "gaxios": "^6.0.0",
+    "@google-cloud/functions-framework": "^4.0.0",
+    "c8": "^12.0.0",
+    "gaxios": "^7.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^18.0.0",
diff --git a/functions/log/helloWorld/package.json b/functions/log/helloWorld/package.json
index b68e4d64227..4f3bb6291da 100644
--- a/functions/log/helloWorld/package.json
+++ b/functions/log/helloWorld/package.json
@@ -9,17 +9,17 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0"
   },
   "dependencies": {
-    "@google-cloud/functions-framework": "^3.1.3"
+    "@google-cloud/functions-framework": "^4.0.0"
   }
 }
diff --git a/functions/log/package.json b/functions/log/package.json
index feb865c7ad8..a9d84c76734 100644
--- a/functions/log/package.json
+++ b/functions/log/package.json
@@ -9,7 +9,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "devDependencies": {
     "mocha": "^10.0.0",
diff --git a/functions/log/processEntry/package.json b/functions/log/processEntry/package.json
index 33ba16e8050..c4653ed18d8 100644
--- a/functions/log/processEntry/package.json
+++ b/functions/log/processEntry/package.json
@@ -9,13 +9,13 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^18.0.0"
diff --git a/functions/memorystore/redis/package.json b/functions/memorystore/redis/package.json
index d3e29814a63..48fa924018c 100644
--- a/functions/memorystore/redis/package.json
+++ b/functions/memorystore/redis/package.json
@@ -9,18 +9,18 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "main": "index.js",
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000 --exit"
   },
   "dependencies": {
-    "@google-cloud/functions-framework": "^3.1.2",
+    "@google-cloud/functions-framework": "^4.0.0",
     "redis": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0"
   }
diff --git a/functions/ocr/app/package.json b/functions/ocr/app/package.json
index a54096f90a9..dbbae2307f5 100644
--- a/functions/ocr/app/package.json
+++ b/functions/ocr/app/package.json
@@ -9,19 +9,19 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.0.0",
-    "@google-cloud/storage": "^7.0.0",
-    "@google-cloud/translate": "^8.0.0",
-    "@google-cloud/vision": "^4.0.0"
+    "@google-cloud/pubsub": "^5.0.0",
+    "@google-cloud/storage": "^8.0.0",
+    "@google-cloud/translate": "^9.0.0",
+    "@google-cloud/vision": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0"
   }
diff --git a/functions/pubsub/package.json b/functions/pubsub/package.json
index 12e8a55e2ef..d6a152981c9 100644
--- a/functions/pubsub/package.json
+++ b/functions/pubsub/package.json
@@ -9,14 +9,14 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">20.0.0"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.0.0"
+    "@google-cloud/pubsub": "^5.0.0"
   },
   "devDependencies": {
-    "@google-cloud/functions-framework": "^3.0.0",
-    "gaxios": "^6.0.0",
+    "@google-cloud/functions-framework": "^4.0.0",
+    "gaxios": "^7.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "wait-port": "^1.0.4"
diff --git a/functions/pubsub/publish/package.json b/functions/pubsub/publish/package.json
index cc101b93eff..7138e26ceb4 100644
--- a/functions/pubsub/publish/package.json
+++ b/functions/pubsub/publish/package.json
@@ -9,18 +9,18 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000 --exit"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.0.0"
+    "@google-cloud/pubsub": "^5.0.0"
   },
   "devDependencies": {
-    "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^10.0.0",
-    "gaxios": "^6.0.0",
+    "@google-cloud/functions-framework": "^5.0.0",
+    "c8": "^12.0.0",
+    "gaxios": "^7.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "wait-port": "^1.0.4"
diff --git a/functions/pubsub/subscribe/package.json b/functions/pubsub/subscribe/package.json
index e03880537af..acdd477f85d 100644
--- a/functions/pubsub/subscribe/package.json
+++ b/functions/pubsub/subscribe/package.json
@@ -9,13 +9,13 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000 --exit"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0"
   }
diff --git a/functions/scheduleinstance/package.json b/functions/scheduleinstance/package.json
index be46d624a11..c69d348e0f6 100644
--- a/functions/scheduleinstance/package.json
+++ b/functions/scheduleinstance/package.json
@@ -9,19 +9,19 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.0.0",
     "sinon": "^18.0.0"
   },
   "dependencies": {
-    "@google-cloud/functions-framework": "^3.0.0",
+    "@google-cloud/functions-framework": "^4.0.0",
     "@google-cloud/sql": "^0.20.1"
   }
 }
diff --git a/functions/security/package.json b/functions/security/package.json
index cce668cb473..21ebcea43dc 100644
--- a/functions/security/package.json
+++ b/functions/security/package.json
@@ -9,7 +9,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js"
@@ -18,7 +18,7 @@
     "node-fetch": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
     "sinon": "^18.0.0"
diff --git a/functions/slack/package.json b/functions/slack/package.json
index d38714e8d9a..4448a1b409e 100644
--- a/functions/slack/package.json
+++ b/functions/slack/package.json
@@ -9,17 +9,17 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=12.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000 --exit"
   },
   "dependencies": {
-    "@google-cloud/functions-framework": "^3.1.0",
-    "@googleapis/kgsearch": "^1.0.0"
+    "@google-cloud/functions-framework": "^4.0.0",
+    "@googleapis/kgsearch": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "nock": "^13.5.6",
     "proxyquire": "^2.1.0",
diff --git a/functions/spanner/package.json b/functions/spanner/package.json
index 774867f929c..b8858d97ecf 100644
--- a/functions/spanner/package.json
+++ b/functions/spanner/package.json
@@ -9,17 +9,17 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "dependencies": {
-    "@google-cloud/functions-framework": "^3.2.0",
-    "@google-cloud/spanner": "^7.0.0"
+    "@google-cloud/functions-framework": "^4.0.0",
+    "@google-cloud/spanner": "^8.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^18.0.0"