diff --git a/README.md b/README.md
index 6cfdfa5f9..8734bbc47 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,9 @@ iD is available under the [ISC License](https://opensource.org/licenses/ISC).
 See the [LICENSE.md](LICENSE.md) file for more details.
 
 iD also bundles portions of the following open source software.
+
 * [D3.js (BSD-3-Clause)](https://github.com/d3/d3)
+* [CLDR (Unicode Consortium Terms of Use)](https://github.com/unicode-cldr/cldr-json)
 * [editor-layer-index (CC-BY-SA 3.0)](https://github.com/osmlab/editor-layer-index)
 * [Font Awesome (CC-BY 4.0)](https://fontawesome.com/license)
 * [Maki (CC0 1.0)](https://github.com/mapbox/maki)