diff --git a/README.md b/README.md
index 9d931949376..cd31f95c964 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ npm i --save puppeteer
 # or "yarn add puppeteer"
 ```
 
-Note: When you install Puppeteer, it downloads a recent version of Chromium (~71Mb Mac, ~90Mb Linux, ~110Mb Win) that is guaranteed to work with the API. To skip the download, see [Environment variables](https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#environment-variables).
+Note: When you install Puppeteer, it downloads a recent version of Chromium (~170Mb Mac, ~282Mb Linux, ~280Mb Win) that is guaranteed to work with the API. To skip the download, see [Environment variables](https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#environment-variables).
 
 ### Usage