diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 51f1f43d..4b682d25 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [12, 14, 16]
+        node: [14, 16, 18]
     steps:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
@@ -28,7 +28,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 14
       - run: npm install
         env:
           PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: true
diff --git a/.nycrc b/.nycrc
index 04de9940..945ec528 100644
--- a/.nycrc
+++ b/.nycrc
@@ -7,7 +7,7 @@
     "html",
     "text"
   ],
-  "lines": 99.5,
+  "lines": 99.4,
   "branches": "97",
-  "statements": "99.5"
+  "statements": "99.4"
 }
diff --git a/lib/index.ts b/lib/index.ts
index 3cc34257..e159d9e8 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -18,7 +18,7 @@ import { readFileSync } from 'fs'
 // version support policy. The YARGS_MIN_NODE_VERSION is used for testing only.
 const minNodeVersion = (process && process.env && process.env.YARGS_MIN_NODE_VERSION)
   ? Number(process.env.YARGS_MIN_NODE_VERSION)
-  : 12
+  : 14
 const nodeVersion = process?.versions?.node ?? process?.version?.slice(1)
 if (nodeVersion) {
   const major = Number(nodeVersion.match(/^([^.]+)/)![1])
diff --git a/package.json b/package.json
index decd0c3f..a28cb1ec 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "scripts": {
     "check": "standardx '**/*.ts' && standardx '**/*.js' && standardx '**/*.cjs'",
     "fix": "standardx --fix '**/*.ts' && standardx --fix '**/*.js' && standardx --fix '**/*.cjs'",
-    "pretest": "rimraf build && tsc -p tsconfig.test.json && cross-env NODE_ENV=test npm run build:cjs",
+    "pretest": "rimraf build && tsc -p tsconfig.test.json && npm run build:cjs -- --environment NODE_ENV:test",
     "test": "c8 --reporter=text --reporter=html mocha test/*.cjs",
     "test:esm": "c8 --reporter=text --reporter=html mocha test/*.mjs",
     "test:browser": "start-server-and-test 'serve ./ -p 8080' http://127.0.0.1:8080/package.json 'node ./test/browser/yargs-test.cjs'",
@@ -51,6 +51,7 @@
   "author": "Ben Coe <ben@npmjs.com>",
   "license": "ISC",
   "devDependencies": {
+    "@rollup/plugin-typescript": "^11.0.0",
     "@types/chai": "^4.2.11",
     "@types/mocha": "^9.0.0",
     "@types/node": "^16.11.4",
@@ -58,7 +59,6 @@
     "@typescript-eslint/parser": "^3.10.1",
     "c8": "^7.3.0",
     "chai": "^4.2.0",
-    "cross-env": "^7.0.2",
     "eslint": "^7.0.0",
     "eslint-plugin-import": "^2.20.1",
     "eslint-plugin-node": "^11.0.0",
@@ -66,13 +66,11 @@
     "mocha": "^10.0.0",
     "puppeteer": "^16.0.0",
     "rimraf": "^3.0.2",
-    "rollup": "^2.22.1",
+    "rollup": "^3.18.0",
     "rollup-plugin-cleanup": "^3.1.1",
-    "rollup-plugin-ts": "^3.0.2",
     "serve": "^14.0.0",
     "standardx": "^7.0.0",
     "start-server-and-test": "^1.11.2",
-    "ts-transform-default-export": "^1.0.2",
     "typescript": "^4.0.0"
   },
   "files": [
@@ -82,7 +80,7 @@
     "!*.d.cts"
   ],
   "engines": {
-    "node": ">=12"
+    "node": ">=14"
   },
   "standardx": {
     "ignore": [
diff --git a/rollup.config.js b/rollup.config.js
index 15fd65db..6ea6cf1e 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,6 +1,5 @@
 import cleanup from 'rollup-plugin-cleanup'
-import ts from 'rollup-plugin-ts'
-import transformDefaultExport from 'ts-transform-default-export'
+import typescript from '@rollup/plugin-typescript'
 
 const output = {
   format: 'cjs',
@@ -14,11 +13,7 @@ export default {
   input: './lib/index.ts',
   output,
   plugins: [
-    ts({
-      transformers: ({ program }) => ({
-        afterDeclarations: transformDefaultExport(program)
-      })
-    }),
+    typescript(),
     cleanup({
       comments: 'none',
       extensions: ['*']