diff --git a/px4_setup/px4setup.sh b/px4_setup/px4setup.sh
index 580a260..4493592 100644
--- a/px4_setup/px4setup.sh
+++ b/px4_setup/px4setup.sh
@@ -114,8 +114,9 @@ fi
 cd ${HOME}/Firmware
 make clean && make distclean
 #git checkout v1.10.1  && git submodule update --recursive
-#git checkout v1.11.2  && git submodule update --recursive
-git submodule update --recursive
+git checkout v1.11.2  && git submodule update --recursive
+#git submodule update --recursive
+
 #cd ${HOME}/Firmware/Tools/sitl_gazebo/external/OpticalFlow && git submodule update --recursive # this is needed for PX4 v1.10.1
 # cd ${HOME}/Firmware/Tools/sitl_gazebo/external/OpticalFlow/external/klt_feature_tracker && git submodule update --recursive # this is needed for PX4 v1.10.1
 #### NOTE: in PX4 v1.10.1, there is a bug in Firmware/Tools/sitl_gazebo/include/gazebo_opticalflow_plugin.h:43:18