diff --git a/.eslintrc.js b/.eslintrc.cjs
similarity index 100%
rename from .eslintrc.js
rename to .eslintrc.cjs
diff --git a/.prettierrc.js b/.prettierrc.cjs
similarity index 100%
rename from .prettierrc.js
rename to .prettierrc.cjs
diff --git a/examples/bin/test.mjs b/examples/bin/test.mjs
index c2c7bbf2..241ae67f 100755
--- a/examples/bin/test.mjs
+++ b/examples/bin/test.mjs
@@ -42,8 +42,6 @@ const run = async () => {
         './node_modules/prettier/bin/prettier.cjs',
         '.',
         '--write',
-        '--plugin',
-        'prettier-plugin-ember-template-tag',
         debug ? '--log-level' : null,
         debug ? 'debug' : null,
       ].filter(Boolean),
diff --git a/package.json b/package.json
index 421ed727..baafbebf 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "email": "kmenne@gmail.com",
     "name": "Krystan HuffMenne"
   },
-  "type": "commonjs",
+  "type": "module",
   "main": "dist/prettier-plugin-ember-template-tag.js",
   "license": "MIT",
   "repository": {
diff --git a/src/parse/index.ts b/src/parse/index.ts
index 77deadf9..222c256c 100644
--- a/src/parse/index.ts
+++ b/src/parse/index.ts
@@ -10,12 +10,12 @@ import { Preprocessor } from 'content-tag';
 import type { Parser } from 'prettier';
 import { parsers as babelParsers } from 'prettier/plugins/babel.js';
 
-import { PRINTER_NAME } from '../config';
+import { PRINTER_NAME } from '../config.js';
 import type { Options } from '../options.js';
-import type { GlimmerTemplate, RawGlimmerTemplate } from '../types/glimmer';
-import { isDefaultTemplate } from '../types/glimmer';
-import { assert } from '../utils';
-import { preprocessTemplateRange } from './preprocess';
+import type { GlimmerTemplate, RawGlimmerTemplate } from '../types/glimmer.js';
+import { isDefaultTemplate } from '../types/glimmer.js';
+import { assert } from '../utils/index.js';
+import { preprocessTemplateRange } from './preprocess.js';
 
 const typescript = babelParsers['babel-ts'] as Parser<Node | undefined>;
 const p = new Preprocessor();
diff --git a/src/parse/preprocess.ts b/src/parse/preprocess.ts
index 7c78f1b5..9dd3483b 100644
--- a/src/parse/preprocess.ts
+++ b/src/parse/preprocess.ts
@@ -1,4 +1,4 @@
-import type { RawGlimmerTemplate } from '../types/glimmer';
+import type { RawGlimmerTemplate } from '../types/glimmer.js';
 
 function replaceRange(
   original: string,
diff --git a/src/print/index.ts b/src/print/index.ts
index 01546340..749fb04d 100644
--- a/src/print/index.ts
+++ b/src/print/index.ts
@@ -8,10 +8,13 @@ import type {
 import { printers as estreePrinters } from 'prettier/plugins/estree.js';
 
 import type { Options } from '../options.js';
-import { getGlimmerTemplate, isGlimmerTemplate } from '../types/glimmer';
-import { assert } from '../utils';
-import { fixPreviousPrint, saveCurrentPrintOnSiblingNode } from './ambiguity';
-import { printTemplateContent, printTemplateTag } from './template';
+import { getGlimmerTemplate, isGlimmerTemplate } from '../types/glimmer.js';
+import { assert } from '../utils/index.js';
+import {
+  fixPreviousPrint,
+  saveCurrentPrintOnSiblingNode,
+} from './ambiguity.js';
+import { printTemplateContent, printTemplateTag } from './template.js';
 
 const estreePrinter = estreePrinters['estree'] as Printer<Node | undefined>;
 
diff --git a/tsconfig.json b/tsconfig.json
index 3034b9cd..51a4cf1e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,6 +8,7 @@
     "sourceMap": true,
     "resolveJsonModule": true,
     "isolatedModules": true,
+    "verbatimModuleSyntax": true,
     "noEmit": true,
 
     "paths": {
diff --git a/vite.config.ts b/vite.config.ts
index c627b033..8bba1e68 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,5 +1,3 @@
-// @ts-expect-error https://github.com/vitejs/vite/issues/11552
-
 import { defineConfig } from 'vite';
 
 export default defineConfig({
@@ -9,7 +7,7 @@ export default defineConfig({
     },
     lib: {
       entry: 'src/main.ts',
-      formats: ['cjs'],
+      formats: ['es'],
     },
     minify: false,
   },