diff --git a/package.json b/package.json
index 474ae86..e56ccc5 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,8 @@
     "typescript": "^4.6.4"
   },
   "devDependencies": {
-    "@types/node": "^17.0.32"
+    "@types/node": "^17.0.32",
+    "tone": "^14.7.77",
+    "typescript": "^4.6.4"
   }
 }