diff --git a/package.json b/package.json
index 343f23d..58ca7f0 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "grunt": "^1.6.1",
     "grunt-contrib-jshint": "^3.2.0",
     "grunt-contrib-uglify": "^5.2.2",
+    "midi-test": "^1.3.1",
     "mocha": "^10.4.0",
     "nyc": "^15.1.0",
     "web-audio-test": "^0.0.8",