diff --git a/.prettierignore b/.prettierignore
index 49c3fcbbb..1cf411722 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -5,4 +5,5 @@ packages/json/test/fixtures/garbage/*
 packages/yaml/test/fixtures/**/*
 **/dist/
 **/fixtures/
+**/snapshots/
 pnpm-lock.yaml
diff --git a/packages/inject/README.md b/packages/inject/README.md
index 3ba127f5a..7473b4dd0 100644
--- a/packages/inject/README.md
+++ b/packages/inject/README.md
@@ -13,7 +13,7 @@
 
 ## Requirements
 
-This plugin requires an [LTS](https://github.com/nodejs/Release) Node version (v8.0.0+) and Rollup v1.20.0+.
+This plugin requires an [LTS](https://github.com/nodejs/Release) Node version (v14.0.0+) and Rollup v1.20.0+.
 
 ## Install
 
diff --git a/packages/inject/package.json b/packages/inject/package.json
index ccbb77d95..7bb3dc492 100644
--- a/packages/inject/package.json
+++ b/packages/inject/package.json
@@ -13,8 +13,16 @@
   "author": "Rich Harris <richard.a.harris@gmail.com>",
   "homepage": "https://github.com/rollup/plugins/tree/master/packages/inject#readme",
   "bugs": "https://github.com/rollup/plugins/issues",
-  "main": "dist/index.js",
-  "module": "dist/index.es.js",
+  "main": "./dist/cjs/index.js",
+  "module": "./dist/es/index.js",
+  "exports": {
+    "types": "./types/index.d.ts",
+    "import": "./dist/es/index.js",
+    "default": "./dist/cjs/index.js"
+  },
+  "engines": {
+    "node": ">=14.0.0"
+  },
   "scripts": {
     "build": "rollup -c",
     "ci:coverage": "nyc pnpm test && nyc report --reporter=text-lcov > coverage.lcov",
@@ -27,11 +35,12 @@
     "pretest": "pnpm build",
     "release": "pnpm --workspace-root plugin:release --pkg $npm_package_name",
     "test": "ava",
-    "test:ts": "tsc index.d.ts test/types.ts --noEmit"
+    "test:ts": "tsc types/index.d.ts test/types.ts --noEmit"
   },
   "files": [
     "dist",
-    "index.d.ts",
+    "!dist/**/*.map",
+    "types",
     "README.md",
     "LICENSE"
   ],
@@ -44,25 +53,28 @@
     "modules"
   ],
   "peerDependencies": {
-    "rollup": "^1.20.0 || ^2.0.0"
+    "rollup": "^1.20.0||^2.0.0||^3.0.0"
+  },
+  "peerDependenciesMeta": {
+    "rollup": {
+      "optional": true
+    }
   },
   "dependencies": {
-    "@rollup/pluginutils": "^3.1.0",
-    "estree-walker": "^2.0.1",
-    "magic-string": "^0.25.7"
+    "@rollup/pluginutils": "^4.2.1",
+    "estree-walker": "^2.0.2",
+    "magic-string": "^0.26.4"
   },
   "devDependencies": {
     "@rollup/plugin-buble": "^0.21.3",
-    "del-cli": "^3.0.1",
+    "del-cli": "^5.0.0",
     "locate-character": "^2.0.5",
-    "rollup": "^2.67.3",
-    "source-map": "^0.7.3",
-    "typescript": "^3.9.7"
+    "rollup": "^3.0.0-7",
+    "source-map": "^0.7.4",
+    "typescript": "^4.8.3"
   },
+  "types": "./types/index.d.ts",
   "ava": {
-    "babel": {
-      "compileEnhancements": false
-    },
     "files": [
       "!**/fixtures/**",
       "!**/helpers/**",
diff --git a/packages/inject/rollup.config.js b/packages/inject/rollup.config.js
deleted file mode 100644
index 2244813fc..000000000
--- a/packages/inject/rollup.config.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import buble from '@rollup/plugin-buble';
-
-import pkg from './package.json';
-
-const external = Object.keys(pkg.dependencies).concat('path');
-
-export default {
-  input: 'src/index.js',
-  plugins: [buble()],
-  external,
-  output: [
-    { file: pkg.main, format: 'cjs', exports: 'auto' },
-    { file: pkg.module, format: 'es' }
-  ]
-};
diff --git a/packages/inject/rollup.config.mjs b/packages/inject/rollup.config.mjs
new file mode 100644
index 000000000..888000cd3
--- /dev/null
+++ b/packages/inject/rollup.config.mjs
@@ -0,0 +1,13 @@
+import { readFileSync } from 'fs';
+
+import buble from '@rollup/plugin-buble';
+
+import { createConfig } from '../../shared/rollup.config.mjs';
+
+export default {
+  ...createConfig({
+    pkg: JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8'))
+  }),
+  input: 'src/index.js',
+  plugins: [buble()]
+};
diff --git a/packages/inject/test/snapshots/test.js.md b/packages/inject/test/snapshots/test.js.md
index 9d2dce476..be5457c96 100644
--- a/packages/inject/test/snapshots/test.js.md
+++ b/packages/inject/test/snapshots/test.js.md
@@ -112,7 +112,7 @@ Generated by [AVA](https://avajs.dev).
     $inject_Buffer_isBuffer('foo');␊
     `
 
-## generates \* imports
+## generates * imports
 
 > Snapshot 1
 
diff --git a/packages/inject/test/snapshots/test.js.snap b/packages/inject/test/snapshots/test.js.snap
index 5d2fb2364..8889cc1e7 100644
Binary files a/packages/inject/test/snapshots/test.js.snap and b/packages/inject/test/snapshots/test.js.snap differ
diff --git a/packages/inject/index.d.ts b/packages/inject/types/index.d.ts
similarity index 100%
rename from packages/inject/index.d.ts
rename to packages/inject/types/index.d.ts
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a042bd7d0..da125ece0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -313,25 +313,25 @@ importers:
   packages/inject:
     specifiers:
       '@rollup/plugin-buble': ^0.21.3
-      '@rollup/pluginutils': ^3.1.0
-      del-cli: ^3.0.1
-      estree-walker: ^2.0.1
+      '@rollup/pluginutils': ^4.2.1
+      del-cli: ^5.0.0
+      estree-walker: ^2.0.2
       locate-character: ^2.0.5
-      magic-string: ^0.25.7
-      rollup: ^2.67.3
-      source-map: ^0.7.3
-      typescript: ^3.9.7
+      magic-string: ^0.26.4
+      rollup: ^3.0.0-7
+      source-map: ^0.7.4
+      typescript: ^4.8.3
     dependencies:
-      '@rollup/pluginutils': 3.1.0_rollup@2.79.1
+      '@rollup/pluginutils': 4.2.1
       estree-walker: 2.0.2
-      magic-string: 0.25.9
+      magic-string: 0.26.4
     devDependencies:
-      '@rollup/plugin-buble': 0.21.3_rollup@2.79.1
-      del-cli: 3.0.1
+      '@rollup/plugin-buble': 0.21.3_rollup@3.0.0-7
+      del-cli: 5.0.0
       locate-character: 2.0.5
-      rollup: 2.79.1
+      rollup: 3.0.0-7
       source-map: 0.7.4
-      typescript: 3.9.10
+      typescript: 4.8.3
 
   packages/json:
     specifiers: