How to ensure my entrance into heaven?

I am Catholic, I go to church every Sunday, I was baptized as a baby, I did confession already once a couple weeks ago, overall Im a good person...Anything else I can do to make sure I go to heaven when I die, cause I hear its a beautiful place.
Update: IF YOU ARE AN ATHIEST, I DONT GIVE A **** WHAT YOUR OPINION IS...THIS QUESTION IS FOR PEOPLE WHO HAVE FAITH...GET OUT OF HERE WHAT THAT STUFF.
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