diff --git a/README.md b/README.md
index da005b001d..ad268131f8 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ The following projects are used for testing:
 | [Linux kernel](https://git.kernel.org)                                    | Kbuild (Make)     |        |
 | [Vim-qt](https://rdnetto@bitbucket.org/equalsraf/vim-qt.git)              | Autotools         |        |
 | [Clementine](https://github.com/clementine-player/Clementine.git)         | Cmake             |        |
+| [ExtPlane](https://github.com/vranki/ExtPlane.git)                        | Qmake             | Should be tested with both versions of Qt. |
 
 ## License
 YCM-Generator is published under the GNU GPLv3.