diff --git a/lib/download.js b/lib/download.js
index 34f93a8..b0b68f0 100644
--- a/lib/download.js
+++ b/lib/download.js
@@ -1,13 +1,15 @@
 const https = require('https'),
   fs = require('fs'),
   HttpsProxyAgent = require('https-proxy-agent'),
-  url = require('url');
+  url = require('url'),
+  zlib = require('zlib');
 
 const binaryPath = process.argv[2], httpPath = process.argv[3], proxyHost = process.argv[4], proxyPort = process.argv[5], useCaCertificate = process.argv[6];
 
 var fileStream = fs.createWriteStream(binaryPath);
 
 var options = url.parse(httpPath);
+options.headers = { 'Accept-Encoding': 'gzip' };
 if(proxyHost && proxyPort) {
   options.agent = new HttpsProxyAgent({
     host: proxyHost,
@@ -17,13 +19,13 @@ if(proxyHost && proxyPort) {
     try {
       options.ca = fs.readFileSync(useCaCertificate);
     } catch(err) {
-      console.log("failed to read cert file", err)
+      console.log('failed to read cert file', err);
     }
   }
 }
 
 https.get(options, function (response) {
-  response.pipe(fileStream);
+  response.pipe(zlib.createGunzip()).pipe(fileStream); // unzip
   response.on('error', function(err) {
     console.error('Got Error in binary download response', err);
   });