diff --git a/README.md b/README.md
index 3d663ca1e..388c3cd75 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Opensource development package for Miyoo handhelds
 
 ### Install necessary packages
 ``` shell
-sudo apt install -y wget unzip build-essential git bc swig libncurses-dev libpython3-dev libssl-dev cpio rsync subversion python3
+sudo apt install -y wget unzip build-essential git bc swig libncurses-dev libpython3-dev libssl-dev cpio rsync subversion python3 mercurial
 ```
 
 ### Download BSP