diff --git a/binding.js b/binding.js
index 6f00167a..3da3b12c 100644
--- a/binding.js
+++ b/binding.js
@@ -9,7 +9,7 @@ const got = require('got');
 const semver = require('semver');
 const tar = require('tar');
 
-const distBaseUrl = 'https://dl.bintray.com/lovell/sharp/';
+const distBaseUrl = process.env.SHARP_DIST_BASE_URL || 'https://dl.bintray.com/lovell/sharp/';
 
 // Use NPM-provided environment variable where available, falling back to require-based method for Electron
 const minimumLibvipsVersion = process.env.npm_package_config_libvips || require('./package.json').config.libvips;
diff --git a/docs/changelog.md b/docs/changelog.md
index 9222f720..63ca65bb 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -14,6 +14,9 @@ Requires libvips v8.5.5.
   [#837](https://github.com/lovell/sharp/issues/837)
   [@rexxars](https://github.com/rexxars)
 
+* Allow binary download URL override via SHARP_DIST_BASE_URL env variable.
+  [#841](https://github.com/lovell/sharp/issues/841)
+
 #### v0.18.1 - 30<sup>th</sup> May 2017
 
 * Remove regression from #781 that could cause incorrect shrink calculation.