diff --git a/package-lock.json b/package-lock.json
index e6acfa8..defe4c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1473,7 +1473,7 @@
         "json5": {
           "version": "0.5.1",
           "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-          "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
+          "integrity": "sha512-4xrs1aW+6N5DalkqSVA8fxh458CXvR99WU8WLKmq4v8eWAL86Xo3BVqyd3SkA9wEVjCMqyvvRRkshAdOnBp5rw=="
         }
       }
     },
@@ -3373,7 +3373,7 @@
         "pify": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+          "integrity": "sha512-udgsAY+fTnvv7kI7aaxbqwWNb0AHiB0qBO89PZKPkoTmGOgdbrHDKD+0B2X4uTfJ/FT1R09r9gTsjUjNJotuog=="
         }
       }
     },
@@ -3842,6 +3842,14 @@
         "safe-buffer": "^5.1.1"
       },
       "dependencies": {
+        "async-eventemitter": {
+          "version": "0.2.4",
+          "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
+          "integrity": "sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==",
+          "requires": {
+            "async": "^2.4.0"
+          }
+        },
         "ethereumjs-block": {
           "version": "2.2.0",
           "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.0.tgz",
@@ -5913,12 +5921,9 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json5": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.0.tgz",
-      "integrity": "sha512-8Mh9h6xViijj36g7Dxi+Y4S6hNGV96vcJZr/SrlHh1LR/pEn/8j/+qIBbs44YKl69Lrfctp4QD+AdWLTMqEZAQ==",
-      "requires": {
-        "minimist": "^1.2.0"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg=="
     },
     "jsonfile": {
       "version": "4.0.0",