diff --git a/docs/api.md b/docs/api.md
index 129eca09..bd763c11 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -210,6 +210,7 @@ Puppeteer looks for certain [environment variables](https://en.wikipedia.org/wik
 
 - `HTTP_PROXY`, `HTTPS_PROXY`, `NO_PROXY` - defines HTTP proxy settings that are used to download and run Chromium.
 - `PUPPETEER_SKIP_CHROMIUM_DOWNLOAD` - do not download bundled Chromium during installation step.
+- `PUPPETEER_DOWNLOAD_HOST` - overwrite host part of URL that is used to download Chromium
 
 ### class: Puppeteer
 
diff --git a/install.js b/install.js
index 488897b4..97c0c4fa 100644
--- a/install.js
+++ b/install.js
@@ -42,7 +42,8 @@ if (NPM_HTTP_PROXY)
   process.env.HTTP_PROXY = NPM_HTTP_PROXY;
 
 const allRevisions = Downloader.downloadedRevisions();
-Downloader.downloadRevision(platform, revision, onProgress)
+const DOWNLOAD_HOST = process.env.PUPPETEER_DOWNLOAD_HOST || process.env.npm_config_puppeteer_download_host;
+Downloader.downloadRevision(platform, revision, DOWNLOAD_HOST, onProgress)
     .then(onSuccess)
     .catch(onError);
 
diff --git a/utils/ChromiumDownloader.js b/utils/ChromiumDownloader.js
index bf42e93d..38022b4c 100644
--- a/utils/ChromiumDownloader.js
+++ b/utils/ChromiumDownloader.js
@@ -28,12 +28,13 @@ const ProxyAgent = require('https-proxy-agent');
 const getProxyForUrl = require('proxy-from-env').getProxyForUrl;
 
 const DOWNLOADS_FOLDER = path.join(__dirname, '..', '.local-chromium');
+const DEFAULT_DOWNLOAD_HOST = 'https://storage.googleapis.com';
 
 const downloadURLs = {
-  linux: 'https://storage.googleapis.com/chromium-browser-snapshots/Linux_x64/%d/chrome-linux.zip',
-  mac: 'https://storage.googleapis.com/chromium-browser-snapshots/Mac/%d/chrome-mac.zip',
-  win32: 'https://storage.googleapis.com/chromium-browser-snapshots/Win/%d/chrome-win32.zip',
-  win64: 'https://storage.googleapis.com/chromium-browser-snapshots/Win_x64/%d/chrome-win32.zip',
+  linux: '%s/chromium-browser-snapshots/Linux_x64/%d/chrome-linux.zip',
+  mac: '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip',
+  win32: '%s/chromium-browser-snapshots/Win/%d/chrome-win32.zip',
+  win64: '%s/chromium-browser-snapshots/Win_x64/%d/chrome-win32.zip',
 };
 
 module.exports = {
@@ -66,7 +67,7 @@ module.exports = {
   canDownloadRevision: function(platform, revision) {
     console.assert(downloadURLs[platform], 'Unknown platform: ' + platform);
 
-    const options = requestOptions(util.format(downloadURLs[platform], revision), 'HEAD');
+    const options = requestOptions(util.format(downloadURLs[platform], DEFAULT_DOWNLOAD_HOST, revision), 'HEAD');
 
     let resolve;
     const promise = new Promise(x => resolve = x);
@@ -84,13 +85,14 @@ module.exports = {
   /**
    * @param {string} platform
    * @param {string} revision
+   * @param {string} [downloadHost=DEFAULT_DOWNLOAD_HOST]
    * @param {?function(number, number)} progressCallback
    * @return {!Promise}
    */
-  downloadRevision: function(platform, revision, progressCallback) {
+  downloadRevision: function(platform, revision, downloadHost = DEFAULT_DOWNLOAD_HOST, progressCallback) {
     let url = downloadURLs[platform];
     console.assert(url, `Unsupported platform: ${platform}`);
-    url = util.format(url, revision);
+    url = util.format(url, downloadHost, revision);
     const zipPath = path.join(DOWNLOADS_FOLDER, `download-${platform}-${revision}.zip`);
     const folderPath = getFolderPath(platform, revision);
     if (fs.existsSync(folderPath))
@@ -133,7 +135,7 @@ module.exports = {
   /**
    * @param {string} platform
    * @param {string} revision
-   * @return {!{folderPath: string, executablePath: string, downloaded: boolean, url: string}}
+   * @return {!{folderPath: string, executablePath: string, downloaded: boolean}}
    */
   revisionInfo: function(platform, revision) {
     console.assert(downloadURLs[platform], `Unsupported platform: ${platform}`);
@@ -150,8 +152,7 @@ module.exports = {
     return {
       executablePath,
       folderPath,
-      downloaded: fs.existsSync(folderPath),
-      url: util.format(downloadURLs[platform], revision)
+      downloaded: fs.existsSync(folderPath)
     };
   },
 };