diff --git a/package-lock.json b/package-lock.json
index 861f464..4eba48d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,13 @@
 {
   "name": "serve-here.js",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "commander": {
-      "version": "2.17.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
-      "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg=="
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz",
+      "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA=="
     }
   }
 }
diff --git a/package.json b/package.json
index 2fd3501..e40a8ca 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
     "serve-here": "./bin/index.js"
   },
   "dependencies": {
-    "commander": "^2.17.1"
+    "commander": "^4.1.1"
   }
 }