diff --git a/dist/esm/index.js b/dist/esm/index.js
index 8b5b71f8eee6606ca8de47c15eef0ce73c01d93f..2bfa4e7c7ff650b35b1bdee75c28bd6fbf6c6704 100644
--- a/dist/esm/index.js
+++ b/dist/esm/index.js
@@ -1,3 +1,3 @@
-export { jsonc, jsoncLanguage } from './jsonc';
-export { parser } from './parser';
+export { jsonc, jsoncLanguage } from './jsonc.js';
+export { parser } from './parser.js';
 //# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/dist/esm/jsonc.js b/dist/esm/jsonc.js
index 5f968887d47696122c6bbfc4b98f94af6477f37a..b144021c4b5d4504c73f6c2172e8d1c2ddbfe3ac 100644
--- a/dist/esm/jsonc.js
+++ b/dist/esm/jsonc.js
@@ -1,4 +1,4 @@
-import { parser } from './parser';
+import { parser } from './parser.js';
 import { continuedIndent, indentNodeProp, foldNodeProp, foldInside, LRLanguage, LanguageSupport, } from '@codemirror/language';
 /// A language provider that provides JSON parsing.
 export const jsoncLanguage = LRLanguage.define({
diff --git a/dist/esm/parser.js b/dist/esm/parser.js
index 3d966fcf7c55003b1ba6c2b3f531b7c9b8045cb8..f6e8f56c3506f76f31571a49af8cd44364a864a3 100644
--- a/dist/esm/parser.js
+++ b/dist/esm/parser.js
@@ -1,6 +1,6 @@
 // This file was generated by lezer-generator. You probably shouldn't edit it.
 import {LRParser} from "@lezer/lr"
-import {jsonHighlighting} from "./highlight"
+import {jsonHighlighting} from "./highlight.js"
 export const parser = LRParser.deserialize({
   version: 14,
   states: "$zO]QPOOOOQO'#Cd'#CdOtQPO'#CgO|QPO'#ClOOQO'#Cr'#CrQOQPOOOOQO'#Ci'#CiO!TQPO'#ChO!YQPO'#CtOOQO,59R,59RO!bQPO,59RO!gQPO'#CwOOQO,59W,59WO!oQPO,59WO]QPO,59SO!tQPO,59`O!|QPO,59`OOQO1G.m1G.mO#UQPO,59cO#]QPO,59cOOQO1G.r1G.rOOQO1G.n1G.nOOQO,59X,59XO#eQPO1G.zOOQO-E6k-E6kOOQO,59Y,59YO#mQPO1G.}OOQO-E6l-E6lPwQPO'#CmP]QPO'#Cn",
diff --git a/package.json b/package.json
index 9c3a56db25535b7eb0b1f951abe486d530a2714f..5e858500f155c16ecb068854552a71e1da5f04fc 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "name": "@shopify/lang-jsonc",
+  "type": "module",
   "version": "1.0.0",
   "description": "JSONC language support for CodeMirror",
   "publishConfig": {