diff --git a/package.json b/package.json
index 30b9943..134b0d7 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "http-server": "^13.0.2",
     "llparse-dot": "^1.0.1",
     "mocha": "^9.1.2",
+    "node-gyp": "^8.2.0",
     "nyc": "^15.1.0",
     "terser": "^5.9.0",
     "watchify": "^4.0.0"