diff --git a/README.md b/README.md
index b21db678..195d1055 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ ros2 launch rtabmap_ros rtabmap.launch.py \
     cd ~/ros2_ws
     git clone https://github.com/introlab/rtabmap.git src/rtabmap
     git clone --branch ros2 https://github.com/introlab/rtabmap_ros.git src/rtabmap_ros
+    rosdep update && rosdep install --from-paths src --ignore-src -r -y
     export MAKEFLAGS="-j6" # Can be ignored if you have a lot of RAM (>16GB)
     colcon build --symlink-install --cmake-args -DCMAKE_BUILD_TYPE=Release
     ```