diff --git a/package.json b/package.json
index bbb6258..d616869 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "graceful-fs": "^4.1.2",
     "intel-hex": "^0.1.1",
     "minimist": "^1.2.0",
-    "serialport": "^4.0.1",
+    "serialport": "^4.0.7",
     "stk500": "git://github.com/noopkat/js-stk500v1#avrgirl",
     "stk500-v2": "^1.0.1"
   },