diff --git a/lib/modules/whisper/index.js b/lib/modules/whisper/index.js
index 34552077..a92fb7c6 100644
--- a/lib/modules/whisper/index.js
+++ b/lib/modules/whisper/index.js
@@ -4,7 +4,7 @@ let Web3 = require('web3');
 
 class Whisper {
 
-  constructor(embark, options) {
+  constructor(embark, _options) {
     this.logger = embark.logger;
     this.events = embark.events;
     this.communicationConfig = embark.config.communicationConfig;
diff --git a/test_apps/test_app/package-lock.json b/test_apps/test_app/package-lock.json
index 6a0c2c66..3dba6607 100644
--- a/test_apps/test_app/package-lock.json
+++ b/test_apps/test_app/package-lock.json
@@ -89,7 +89,7 @@
     "dom-helpers": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-3.3.1.tgz",
-      "integrity": "sha1-/BpOFf/fYN3eA6SAqcD+zoId1KY="
+      "integrity": "sha512-2Sm+JaYn74OiTM2wHvxJOo3roiq/h25Yi69Fqk269cNUwIXsCvATB6CRSFC9Am/20G2b28hGv/+7NiWydIrPvg=="
     },
     "dotenv": {
       "version": "4.0.0",
@@ -229,7 +229,7 @@
     "node-fetch": {
       "version": "1.7.3",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
-      "integrity": "sha1-mA9vcthSEaU0fGsrwYxbhMPrR+8=",
+      "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
       "requires": {
         "encoding": "0.1.12",
         "is-stream": "1.1.0"
@@ -252,7 +252,7 @@
     "promise": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
-      "integrity": "sha1-BktyYCsY+Q8pGSuLG8QY/9Hr078=",
+      "integrity": "sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==",
       "requires": {
         "asap": "2.0.6"
       }
@@ -289,7 +289,7 @@
     "react-bootstrap": {
       "version": "0.32.1",
       "resolved": "https://registry.npmjs.org/react-bootstrap/-/react-bootstrap-0.32.1.tgz",
-      "integrity": "sha1-YGJMG0ijnXc+9szmQhpPM+zBZrs=",
+      "integrity": "sha512-RbfzKUbsukWsToWqGHfCCyMFq9QQI0TznutdyxyJw6dih2NvIne25Mrssg8LZsprqtPpyQi8bN0L0Fx3fUsL8Q==",
       "requires": {
         "babel-runtime": "6.26.0",
         "classnames": "2.2.5",
@@ -319,7 +319,7 @@
     "react-overlays": {
       "version": "0.8.3",
       "resolved": "https://registry.npmjs.org/react-overlays/-/react-overlays-0.8.3.tgz",
-      "integrity": "sha1-+tZe6lskMBzKGSoWn13dsLINOsU=",
+      "integrity": "sha512-h6GT3jgy90PgctleP39Yu3eK1v9vaJAW73GOA/UbN9dJ7aAN4BTZD6793eI1D5U+ukMk17qiqN/wl3diK1Z5LA==",
       "requires": {
         "classnames": "2.2.5",
         "dom-helpers": "3.3.1",
@@ -353,7 +353,7 @@
     "regenerator-runtime": {
       "version": "0.11.1",
       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
-      "integrity": "sha1-vgWtf5v30i4Fb5cmzuUBf78Z4uk="
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
     },
     "setimmediate": {
       "version": "1.0.5",
@@ -412,7 +412,7 @@
     "zeppelin-solidity": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/zeppelin-solidity/-/zeppelin-solidity-1.8.0.tgz",
-      "integrity": "sha1-BJ/N59rqn8hSEPjG25+M0auKhTo=",
+      "integrity": "sha512-7Mxq6Y7EES0PSLrRF6v0EVYqBVRRo8hFrr7m3jEs69VbbQ5kpANzizeEdbP1/PWKSOmBOg208qP2vSA0FlzFLA==",
       "requires": {
         "dotenv": "4.0.0",
         "ethjs-abi": "0.2.1"