diff --git a/source/Tutorials/Advanced/Security/resources/deployment_gd/Dockerfile b/source/Tutorials/Advanced/Security/resources/deployment_gd/Dockerfile
index 2e624b5d305..aee52f967af 100644
--- a/source/Tutorials/Advanced/Security/resources/deployment_gd/Dockerfile
+++ b/source/Tutorials/Advanced/Security/resources/deployment_gd/Dockerfile
@@ -1,4 +1,4 @@
-ARG ROS_DISTRO=humble
+ARG ROS_DISTRO=iron
 FROM ros:${ROS_DISTRO}-ros-base
 
 # Install required packages