diff --git a/.docker/tutorial-source/Dockerfile b/.docker/tutorial-source/Dockerfile
index 933513c375..38d53920c7 100644
--- a/.docker/tutorial-source/Dockerfile
+++ b/.docker/tutorial-source/Dockerfile
@@ -4,7 +4,7 @@
 # Source build of the repos file from the tutorial site
 
 ARG ROS_DISTRO=rolling
-ARG GZ_VERSION=harmonic
+ARG GZ_VERSION=ionic
 
 FROM moveit/moveit2:${ROS_DISTRO}-ci
 LABEL maintainer Tyler Weaver tyler@picknik.ai