diff --git a/lib/providers/filesystem/index.js b/lib/providers/filesystem/index.js
index a0fd84d..a941587 100644
--- a/lib/providers/filesystem/index.js
+++ b/lib/providers/filesystem/index.js
@@ -201,8 +201,8 @@ FileSystemProvider.prototype.upload = function(options, cb) {
   };
 
   try {
-    //simulate the success event in filesystem provider
-    //fixes: https://github.com/strongloop/loopback-component-storage/issues/58
+    // simulate the success event in filesystem provider
+    // fixes: https://github.com/strongloop/loopback-component-storage/issues/58
     // & #23 & #67
     var stream = fs.createWriteStream(filePath, fileOpts);
     stream.on('finish', function() {
diff --git a/package.json b/package.json
index c2816b3..2c7f0aa 100644
--- a/package.json
+++ b/package.json
@@ -12,20 +12,20 @@
     "posttest": "npm run lint"
   },
   "dependencies": {
-    "async": "^0.9.0",
+    "async": "^2.1.5",
     "formidable": "^1.0.16",
     "pkgcloud": "^1.1.0",
     "strong-globalize": "^2.6.2",
     "uuid": "^3.0.1"
   },
   "devDependencies": {
-    "eslint": "^2.13.1",
-    "eslint-config-loopback": "^4.0.0",
+    "eslint": "^3.17.1",
+    "eslint-config-loopback": "^8.0.0",
     "express": "^4.11.0",
     "loopback": "^3.0.0",
     "mkdirp": "^0.5.0",
-    "mocha": "^2.1.0",
-    "supertest": "^0.15.0",
+    "mocha": "^3.2.0",
+    "supertest": "^3.0.0",
     "semver": "^5.3.0"
   },
   "repository": {
diff --git a/test/upload-download.test.js b/test/upload-download.test.js
index 4c2c4db..18c041b 100644
--- a/test/upload-download.test.js
+++ b/test/upload-download.test.js
@@ -14,7 +14,7 @@ var path = require('path');
 
 // configure errorHandler to show full error message
 app.set('remoting', {errorHandler: {debug: true, log: false}});
-//custom route with renamer
+// custom route with renamer
 app.post('/custom/upload', function(req, res, next) {
   var options = {
     container: 'album1',