diff --git a/README.md b/README.md
index b815425..b6edeaa 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ To compile this project from sources, you must first install the dependencies
 
 ```
 apt update && apt upgrade
-apt install grub-pc-bin dosfstools make nasm qemu tree
+apt install grub-pc-bin dosfstools make nasm qemu tree libisl15
 ```
 
 You also need to have the [x86-64 ELF gcc cross-compiler](https://www.os-k.eu/build-tools/cross-cc.tar.xz) and its ``bin`` directory in your PATH.