diff --git a/package-lock.json b/package-lock.json
index 239df96..a1a5352 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,9 +46,9 @@
       "integrity": "sha1-bvVM6rgy0j94Qe0vKW/psvba3pQ="
     },
     "nopt": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.1.tgz",
-      "integrity": "sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
+      "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
       "requires": {
         "abbrev": "1",
         "osenv": "^0.1.4"
diff --git a/package.json b/package.json
index b6ce4b1..3e1317f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "async-exit-hook": "2.0.1",
     "backoff": "2.5.0",
     "linebyline": "1.3.0",
-    "nopt": "4.0.1",
+    "nopt": "4.0.3",
     "pump": "^3.0.0",
     "split2": "3.1.0",
     "through2": "3.0.1",