diff --git a/docs/changelog.md b/docs/changelog.md
index 6c11b1cb..36bb6bf3 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -21,6 +21,10 @@ Requires libvips v8.7.0.
   [#1439](https://github.com/lovell/sharp/pull/1439)
   [@Daiz](https://github.com/Daiz)
 
+* Build prototype with `Object.assign` to allow minification.
+  [#1475](https://github.com/lovell/sharp/pull/1475)
+  [@jaubourg](https://github.com/jaubourg)
+
 #### v0.21.0 - 4<sup>th</sup> October 2018
 
 * Deprecate the following resize-related functions:
diff --git a/docs/index.md b/docs/index.md
index 9a9af2ad..991680fb 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -119,6 +119,7 @@ the help and code contributions of the following people:
 * [Aidan Hoolachan](https://github.com/ajhool)
 * [Axel Eirola](https://github.com/aeirola)
 * [Freezy](https://github.com/freezy)
+* [Julian Aubourg](https://github.com/jaubourg)
 
 Thank you!
 
diff --git a/package.json b/package.json
index 0fbd3df8..485482c5 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,8 @@
     "Aidan Hoolachan <ajhoolachan21@gmail.com>",
     "Axel Eirola <axel.eirola@iki.fi>",
     "Freezy <freezy@xbmc.org>",
-    "Daiz <taneli.vatanen@gmail.com>"
+    "Daiz <taneli.vatanen@gmail.com>",
+    "Julian Aubourg <j@ubourg.net>"
   ],
   "scripts": {
     "install": "(node install/libvips && node install/dll-copy && prebuild-install) || (node-gyp rebuild && node install/dll-copy)",