diff --git a/package.json b/package.json
index 9bb9c86..0686e9e 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,9 @@
   "version": "1.5.0",
   "description": "NodeJS Transifex API Client",
   "main": "./transifex.js",
+  "engines": {
+    "node": ">=8.9.0"
+  },
   "scripts": {
     "test": "mocha --reporter spec tests --timeout 190000 --slow 2000"
   },
diff --git a/transifex.js b/transifex.js
index 25703e3..29c1b74 100644
--- a/transifex.js
+++ b/transifex.js
@@ -1,4 +1,4 @@
-var request = require("request"),
+const request = require("request"),
     _ = require("lodash"),
     crypto = require('crypto');
 
@@ -501,7 +501,6 @@ Transifex.prototype.translationStringsPutMethod = function(project_slug, resourc
   var url = this.expUrl.translationStringsPutURL.replace("<project_slug>", project_slug)
                                         .replace("<resource_slug>", resource_slug)
                                         .replace("<language_code>", language_code);
-  console.log('url',url);
   this.projectPutRequest(url, content.map(keyToHash), function(err, content) {
     if (err) {
       return callback(err);