diff --git a/lib/r18gs/touchup.js b/lib/r18gs/touchup.js
index bffe1097..682a7528 100644
--- a/lib/r18gs/touchup.js
+++ b/lib/r18gs/touchup.js
@@ -38,6 +38,7 @@ if (process.env.TOKEN) {
 
 packageJson.main = "index.js";
 packageJson.types = "index.d.ts";
+packageJson.module = "index.mjs";
 
 fs.writeFileSync(
 	path.resolve(__dirname, "dist", "package.json"),