diff --git a/README.md b/README.md
index 53f05e7..49fcc19 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,7 @@ Later versions of boost (up to 1.59) are also known to work correctly.
 Valijson supports JSON documents loaded using JsonCpp, RapidJson, Boost Property Tree and PicoJSON. It has been tested against the following versions of these libraries:
 
  - [boost::property_tree 1.54](http://www.boost.org/doc/libs/1_54_0/doc/html/boost_propertytree/synopsis.html)
+ - [json11 (commit afcc8d0)](https://github.com/dropbox/json11/tree/afcc8d0d82b1ce2df587a7a0637d05ba493bf5e6)
  - [jsoncpp 0.9.4](https://github.com/open-source-parsers/jsoncpp/archive/0.9.4.tar.gz)
  - [rapidjson 0.1](https://code.google.com/p/rapidjson/downloads/detail?name=rapidjson-0.1.zip)
  - [PicoJSON 1.3.0](https://github.com/kazuho/picojson/archive/v1.3.0.tar.gz)