Gassy baby

Julie • Full time mommy to 2 amazing little boys. A 3 year old and a baby born March 16th 2016 🍀
My 5 day old baby gets soooo gassy. He burps, toots, hiccups, non stop. He is breast fed only and I make sure to get at least 3 burps out after each feeding and keep him upright for a bit after. Any tips for avoiding the gas?