diff --git a/package.json b/package.json
index 027c461..6bd9587 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,8 @@
     "defaults": "webpack-defaults"
   },
   "files": [
-    "dist"
+    "dist",
+    "index.d.ts"
   ],
   "dependencies": {
     "ajv": "^6.10.2",