diff --git a/package.json b/package.json
index 34624fe..a114033 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,8 @@
     "bindings": "1.5.0",
     "file-uri-to-path":"1.0.0",
     "nan":"2.15.0",
-    "type-fest":"0.21.3"
+    "type-fest":"0.21.3",
+    "free-type": "3.8.0"
   },
   "devDependencies": {
     "debug": "^4.1.1"