diff --git a/Installation.md b/Installation.md
index f28d78a..c4fc828 100644
--- a/Installation.md
+++ b/Installation.md
@@ -28,6 +28,7 @@ Clone this repository and run `vcstools`:
 Install `pcl_ros`:
 
     sudo apt-get install ros-kinetic-pcl-ros
+    sudo apt-get install libproj-dev
 
 Install `glfw`: