diff --git a/nodejs/package.json b/nodejs/package.json
index bdeeeeb..cd9f9f5 100644
--- a/nodejs/package.json
+++ b/nodejs/package.json
@@ -12,6 +12,7 @@
     "ejs": "~2.3.3",
     "express": "~4.13.1",
     "morgan": "~1.6.1",
+    "mysql": "^2.10.2",
     "serialport": "^2.0.6",
     "serve-favicon": "~2.3.0"
   }