diff --git a/.gitmodules b/.gitmodules
index 62b18dd75c..983daae405 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -79,3 +79,4 @@
 [submodule "Tools/simulation/gz"]
 	path = Tools/simulation/gz
 	url = https://github.com/PX4/PX4-gazebo-models.git
+	branch = main