diff --git a/package.json b/package.json
index 83104c3..94bbcd6 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "commander": "^2.15.0",
+    "commander": "^2.20.0",
     "noflo-runtime-base": "~0.10.0",
     "websocket": "~1.0.24"
   },