diff --git a/create_ws_install_serial.sh b/create_ws_install_serial.sh
index 42fceb1..d518009 100644
--- a/create_ws_install_serial.sh
+++ b/create_ws_install_serial.sh
@@ -26,9 +26,9 @@ then
 echo $ROS_PACKAGE_PATH
 echo 'installing rosserial' 
 
-sudo apt-get install ros-kinetic-rosserial-arduino
+sudo apt-get install ros-kinetic-rosserial-arduino -y 
 
 
-sudo apt-get install ros-kinetic-rosserial
+sudo apt-get install ros-kinetic-rosserial -y