diff --git a/README.md b/README.md
index ba0de08..54fe834 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ either in your `$PATH` variable or in the [`tools`](./tools) folder. These tools
 * [clHCA](https://github.com/KinoMyu/FastHCADecoder)
 * acb_extract
 * usm_extract
+* [ffmpeg](https://www.ffmpeg.org/download.html)
+* [mono](https://www.mono-project.com/download/stable/) (if using Linux)
 
 Make sure these executables are called the same way on your machine.