diff --git a/lib/package.js b/lib/package.js
index b5b040d..989738a 100644
--- a/lib/package.js
+++ b/lib/package.js
@@ -137,7 +137,12 @@ Package.downloadBuild = function(appId, jar, buildId, downloadDir) {
       filename = build.name + '.' + Package.determineFileExtensionByPlatform(build.platform);
       filepath = path.join(downloadDir, filename);
 
-      requestProgess(request({ url: build.url }))
+      var reqParams = {
+        url: build.url,
+        proxy: process.env.PROXY || process.env.http_proxy || null
+      }
+
+      requestProgess(request(reqParams))
         .on('progress', function(state) {
           q.notify(state);
         })