diff --git a/package.json b/package.json
index 1ac8a9e..edea797 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
   "types": "./dist/types/index.d.ts",
   "typings": "./dist/types/index.d.ts",
   "sideEffects": false,
+  "license": "MIT",
   "files": [
     "dist",
     "!dist/**/*.tsbuildinfo",