diff --git a/CMakeLists.txt b/CMakeLists.txt
index 686256f480..23616c2db2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -230,6 +230,7 @@ px4_add_git_submodule(TARGET git_uavcan PATH "src/modules/uavcan/libuavcan")
 px4_add_git_submodule(TARGET git_nuttx PATH "NuttX")
 px4_add_git_submodule(TARGET git_dspal PATH "src/lib/dspal")
 px4_add_git_submodule(TARGET git_jmavsim PATH "Tools/jMAVSim")
+px4_add_git_submodule(TARGET git_gazebo PATH "Tools/sitl_gazebo")
 
 add_custom_target(submodule_clean
 	WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}