diff --git a/package.json b/package.json
index cf036de..306407b 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "homepage": "https://garrettmills.dev/markmark",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
+  "type": "module",
   "directories": {
     "lib": "lib"
   },