diff --git a/customProtocols.js b/customProtocols.js
index 5416a92cf..a7bcb27dc 100644
--- a/customProtocols.js
+++ b/customProtocols.js
@@ -3,7 +3,7 @@ const { protocol } = require('electron');
 protocol.registerHttpProtocol(
   'mist',
   (request, callback) => {
-    // callback({mimeType: 'text/html', data: new Buffer('<h5>Response</h5>')});
+    // callback({mimeType: 'text/html', data: Buffer.from('<h5>Response</h5>')});
 
     console.log(
       request.url.indexOf('mist://interface') !== -1
diff --git a/gulpTasks/maintenance.js b/gulpTasks/maintenance.js
index 136f53024..afddccad0 100644
--- a/gulpTasks/maintenance.js
+++ b/gulpTasks/maintenance.js
@@ -88,7 +88,7 @@ gulp.task('update-nodes', cb => {
                           geth.platforms[platform][arch].download.url.split('/')
                         )
                       ) {
-                        const sum = new Buffer(
+                        const sum = Buffer.from(
                           blob.Properties[0]['Content-MD5'][0],
                           'base64'
                         );
diff --git a/modules/abi.js b/modules/abi.js
index ec9bfa984..340583734 100644
--- a/modules/abi.js
+++ b/modules/abi.js
@@ -24,7 +24,7 @@ ipc.on('backendAction_decodeFunctionSignature', (event, _signature, _data) => {
   const paramTypes = signature[1].split(',');
 
   try {
-    const paramsResponse = abi.rawDecode(paramTypes, new Buffer(data, 'hex'));
+    const paramsResponse = abi.rawDecode(paramTypes, Buffer.from(data, 'hex'));
     const paramsDictArr = [];
 
     // Turns addresses into proper hex string