diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2f4320bf..1e47eb1d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [18, 20, 21]
+        node: [14, 16, 18, 20, 21]
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: actions/setup-node@v4
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm ci
       - run: npm run system-test
   system_test:
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm ci
       - run: npm run system-test
   lint:
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm ci
       - run: npm run lint
   license_check:
@@ -56,6 +56,6 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm ci
       - run: npm run license-check
diff --git a/package-lock.json b/package-lock.json
index 254659aa..23b15bbb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "json5": "^2.1.3",
         "meow": "^9.0.0",
         "ncp": "^2.0.0",
-        "prettier": "3.1.1",
+        "prettier": "3.2.5",
         "rimraf": "3.0.2",
         "write-file-atomic": "^4.0.0"
       },
@@ -38,7 +38,6 @@
         "@types/mocha": "^10.0.0",
         "@types/ncp": "^2.0.4",
         "@types/node": "20.11.30",
-        "@types/prettier": "^2.1.1",
         "@types/rimraf": "^3.0.0",
         "@types/sinon": "^17.0.0",
         "@types/tmp": "^0.2.0",
@@ -620,12 +619,6 @@
       "resolved": "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.4.tgz",
       "integrity": "sha512-37i+OaWTh9qeK4LSHPsyRC7NahnGotNuZvjLSgcPzblpHB3rrCJxAOgI5gCdKm7coonsaX1Of0ILiTcnZjbfxA=="
     },
-    "node_modules/@types/prettier": {
-      "version": "2.7.3",
-      "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.3.tgz",
-      "integrity": "sha512-+68kP9yzs4LMp7VNh8gdzMSPZFL44MLGqiHWvttYJe+6qnuVr4Ek9wSBQoveqY/r+LwjCcU29kNVkidwim+kYA==",
-      "dev": true
-    },
     "node_modules/@types/responselike": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/@types/responselike/-/responselike-1.0.3.tgz",
@@ -3391,9 +3384,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.1.tgz",
-      "integrity": "sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==",
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.2.5.tgz",
+      "integrity": "sha512-3/GWa9aOC0YeD7LUfvOG2NiDyhOWRvt1k+rcKhOuYnMY24iiCphgneUfJDyFXd6rZCAnuLBv6UeAULtrhT/F4A==",
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
diff --git a/package.json b/package.json
index 95dbedb1..f0680d6b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "fix": "eslint --fix '**/*.ts'"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=14"
   },
   "keywords": ["typescript", "linter", "formatter", "google"],
   "author": "Google Inc.",
@@ -50,7 +50,7 @@
     "json5": "^2.1.3",
     "meow": "^9.0.0",
     "ncp": "^2.0.0",
-    "prettier": "3.1.1",
+    "prettier": "3.2.5",
     "rimraf": "3.0.2",
     "write-file-atomic": "^4.0.0"
   },
@@ -64,7 +64,6 @@
     "@types/mocha": "^10.0.0",
     "@types/ncp": "^2.0.4",
     "@types/node": "20.11.30",
-    "@types/prettier": "^2.1.1",
     "@types/rimraf": "^3.0.0",
     "@types/sinon": "^17.0.0",
     "@types/tmp": "^0.2.0",
diff --git a/src/init.ts b/src/init.ts
index 98e75f78..710cc535 100644
--- a/src/init.ts
+++ b/src/init.ts
@@ -19,12 +19,12 @@ import * as inquirer from 'inquirer';
 import * as path from 'path';
 import {ncp} from 'ncp';
 import * as util from 'util';
+import * as writeFileAtomic from 'write-file-atomic';
 
 import {
   getPkgManagerCommand,
   readFilep as read,
   readJsonp as readJson,
-  writeFileAtomicp as write,
   Bag,
   DefaultPackage,
 } from './util';
@@ -168,7 +168,7 @@ async function writePackageJson(
 ): Promise<void> {
   options.logger.log('Writing package.json...');
   if (!options.dryRun) {
-    await write('./package.json', formatJson(packageJson));
+    await writeFileAtomic('./package.json', formatJson(packageJson));
   }
   const preview = {
     scripts: packageJson.scripts,
@@ -216,7 +216,7 @@ async function generateConfigFile(
   if (writeFile) {
     options.logger.log(`Writing ${filename}...`);
     if (!options.dryRun) {
-      await write(filename, contents);
+      await writeFileAtomic(filename, contents);
     }
     options.logger.log(contents);
   }
diff --git a/src/util.ts b/src/util.ts
index 28c19287..dc44df18 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -19,12 +19,10 @@ import * as path from 'path';
 import * as rimraf from 'rimraf';
 import {promisify} from 'util';
 import * as ncp from 'ncp';
-import * as writeFileAtomic from 'write-file-atomic';
 import * as JSON5 from 'json5';
 
 export const readFilep = promisify(fs.readFile);
 export const rimrafp = promisify(rimraf);
-export const writeFileAtomicp = promisify(writeFileAtomic);
 export const ncpp = promisify(ncp.ncp);
 
 export interface Bag<T> {