diff --git a/README.md b/README.md
index 7f81855..6c55f00 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ### Installation
 ```
-sudo apt-get install ros-iron-ros-gz ros-iron-robot-state-publisher
+sudo apt-get install ros-iron-ros-gz ros-iron-robot-state-publisher libignition-gazebo6-dev libignition-common4-dev libignition-transport8-dev libignition-msgs5-dev libignition-cmake2-dev
 ```
 Then normal ROS2 install and buidl procedure.