diff --git a/.eslintrc.js b/.eslintrc.cjs
similarity index 91%
rename from .eslintrc.js
rename to .eslintrc.cjs
index 816a922..2c8fb85 100644
--- a/.eslintrc.js
+++ b/.eslintrc.cjs
@@ -29,7 +29,7 @@ module.exports = {
 
   overrides: [
     {
-      files: ['./*.js', './tools/**/*'],
+      files: ['./*.js', './*.cjs', './*.mjs', './tools/**/*'],
       env: {
         node: true,
         browser: false,
diff --git a/.prettierrc.js b/.prettierrc.cjs
similarity index 100%
rename from .prettierrc.js
rename to .prettierrc.cjs
diff --git a/commitlint.config.js b/commitlint.config.cjs
similarity index 100%
rename from commitlint.config.js
rename to commitlint.config.cjs
diff --git a/package.json b/package.json
index f67d8d6..d13e193 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
       "email": "johannes.loher@fg4f.de"
     }
   ],
+  "type": "module",
   "scripts": {
     "build": "run-s clean:files build:files",
     "build:files": "rollup -c",
@@ -51,7 +52,7 @@
     "npm-run-all": "4.1.5",
     "prettier": "2.7.1",
     "rimraf": "3.0.2",
-    "rollup": "2.79.1",
+    "rollup": "3.2.2",
     "rollup-plugin-terser": "7.0.2",
     "semver": "7.3.8",
     "yargs": "17.6.0"
diff --git a/rollup.config.js b/rollup.config.js
index d2cb342..b5826ab 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: MIT
 
-import copy from '@guanghechen/rollup-plugin-copy';
+import { copy } from '@guanghechen/rollup-plugin-copy';
 import { terser } from 'rollup-plugin-terser';
 import { distDirectory, name, sourceDirectory } from './tools/const.mjs';
 
diff --git a/yarn.lock b/yarn.lock
index e832811..ff97a79 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1756,7 +1756,7 @@ __metadata:
     npm-run-all: 4.1.5
     prettier: 2.7.1
     rimraf: 3.0.2
-    rollup: 2.79.1
+    rollup: 3.2.2
     rollup-plugin-terser: 7.0.2
     semver: 7.3.8
     yargs: 17.6.0
@@ -5665,9 +5665,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rollup@npm:2.79.1":
-  version: 2.79.1
-  resolution: "rollup@npm:2.79.1"
+"rollup@npm:3.2.2":
+  version: 3.2.2
+  resolution: "rollup@npm:3.2.2"
   dependencies:
     fsevents: ~2.3.2
   dependenciesMeta:
@@ -5675,7 +5675,7 @@ __metadata:
       optional: true
   bin:
     rollup: dist/bin/rollup
-  checksum: 6a2bf167b3587d4df709b37d149ad0300692cc5deb510f89ac7bdc77c8738c9546ae3de9322b0968e1ed2b0e984571f5f55aae28fa7de4cfcb1bc5402a4e2be6
+  checksum: c4de594630348d3dab98262c95df8b3e206abde2f9b885ee703fd33e106988a255c051c2f1ea200403365803be1e097f5ade8e220220a3179f89f4589847c69e
   languageName: node
   linkType: hard