diff --git a/lib/core/package.js b/lib/core/package.js
index 231f4b41..504abc7b 100644
--- a/lib/core/package.js
+++ b/lib/core/package.js
@@ -193,6 +193,11 @@ Package.prototype.download = function () {
   var src  = url.parse(this.assetUrl);
   var req  = src.protocol === 'https:' ? https : http;
 
+  if (process.env.HTTP_PROXY) {
+    src = url.parse(process.env.HTTP_PROXY);
+    src.path = this.assetUrl;
+  }
+
   tmp.dir(function (err, tmpPath) {
 
     var file = fs.createWriteStream(path.join((this.path = tmpPath), 'index' + this.assetType));
@@ -293,7 +298,11 @@ Package.prototype.cache = function () {
         return this.emit('cache');
       }
       template('action', { name: 'caching', shizzle: this.gitUrl }).on('data', this.emit.bind(this, 'data'));
-      var cp = spawn('git', ['clone', this.gitUrl, this.path]);
+      var url = this.gitUrl;
+      if (process.env.HTTP_PROXY) {
+        url = url.replace(/^git:/, 'https:');
+      }
+      var cp = spawn('git', ['clone', url, this.path]);
       cp.stderr.setEncoding('utf8');
       cp.stderr.on('data', this.emit.bind(this, 'data'));
       cp.on('close', function (code) {
@@ -413,4 +422,4 @@ Package.prototype.__defineGetter__('localPath', function () {
   return path.join(process.cwd(), config.directory, this.name);
 });
 
-module.exports = Package;
\ No newline at end of file
+module.exports = Package;
diff --git a/lib/core/source.js b/lib/core/source.js
index 75162cf8..9f1ace85 100644
--- a/lib/core/source.js
+++ b/lib/core/source.js
@@ -11,6 +11,10 @@ var _        = require('lodash');
 
 var endpoint = 'https://bower.herokuapp.com/packages';
 
+if (process.env.HTTP_PROXY) {
+  request = request.defaults({'proxy': process.env.HTTP_PROXY});
+}
+
 exports.lookup = function (name, callback) {
   request.get(endpoint + '/' + encodeURIComponent(name), function (err, response, body) {
     if (err || response.statusCode !== 200) return callback(err || new Error(name + ' not found'));
@@ -65,4 +69,4 @@ exports.all = function (callback) {
   request.get(endpoint, function (err, response, body) {
     callback(err, body && JSON.parse(body));
   });
-};
\ No newline at end of file
+};