diff --git a/package.json b/package.json
index 64add0e91b..823f6f809e 100644
--- a/package.json
+++ b/package.json
@@ -49,9 +49,9 @@
     "i18next-localstorage-cache": "=1.1.1",
     "i18next-xhr-backend": "=1.4.2",
     "js-sha256": "0.9.0",
-    "lisk-js": "0.5.0",
+    "lisk-js": "0.5.1",
     "lodash.throttle": "4.1.1",
-    "moment": "2.18.1",
+    "moment": "2.20.1",
     "numeral": "=2.0.6",
     "parallax-js": "3.1.0",
     "popmotion": "7.8.2",
@@ -107,7 +107,7 @@
     "cucumber": "2.2.0",
     "cucumber-junit": "1.7.0",
     "del-cli": "1.1.0",
-    "electron": "1.8.1",
+    "electron": "1.8.2",
     "electron-builder": "19.32.2",
     "electron-json-storage": "=3.2.0",
     "electron-updater": "2.16.1",
diff --git a/src/utils/passphrase.js b/src/utils/passphrase.js
index 08d7d8cbe4..403b947e9e 100644
--- a/src/utils/passphrase.js
+++ b/src/utils/passphrase.js
@@ -90,7 +90,7 @@ export const generatePassphrase = ({ seed }) => (new mnemonic(new Buffer(seed.jo
    * @returns {bool} isValidPassphrase
    */
 export const isValidPassphrase = (passphrase) => {
-  const normalizedValue = passphrase.replace(/ +/g, ' ').trim().toLowerCase();
+  const normalizedValue = passphrase.replace(/ +/g, ' ').trim();
   let isValid;
   try {
     isValid = normalizedValue.split(' ').length >= 12 && mnemonic.isValid(normalizedValue);
@@ -107,7 +107,7 @@ export const getPassphraseValidationErrors = (passphrase) => {
 
   const partialPassphraseError = [];
   const invalidWords = passphraseArray.filter((word) => {
-    const isNotInDictionary = !inDictionary(word.toLowerCase());
+    const isNotInDictionary = !inDictionary(word);
     partialPassphraseError[passphraseArray.indexOf(word)] = isNotInDictionary;
     return isNotInDictionary;
   });