diff --git a/README.md b/README.md
index 35f1cfa0..aeb6f6fa 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,10 @@ Humble | Fortress | [humble](https://github.com/gazebosim/ros_gz/tree/humble) |
 Humble | Garden | [humble](https://github.com/gazebosim/ros_gz/tree/humble) | only from source
 Iron | Fortress | [iron](https://github.com/gazebosim/ros_gz/tree/iron) | https://packages.ros.org
 Iron | Garden | [iron](https://github.com/gazebosim/ros_gz/tree/iron) | only from source
-Rolling | Edifice | [ros2](https://github.com/gazebosim/ros_gz/tree/ros2) | only from source
+Iron | Harmonic | [iron](https://github.com/gazebosim/ros_gz/tree/iron) | only from source
 Rolling | Fortress | [humble](https://github.com/gazebosim/ros_gz/tree/humble) | https://packages.ros.org
 Rolling | Garden | [ros2](https://github.com/gazebosim/ros_gz/tree/ros2) | only from source
+Rolling | Harmonic | [ros2](https://github.com/gazebosim/ros_gz/tree/ros2) | only from source
 
 
 For information on ROS(1) and Gazebo compatibility, refer to the [noetic branch README](https://github.com/gazebosim/ros_gz/tree/noetic)