Disclosed is an acellular pertussis (aP) vaccine composition comprising Bordetella pertussis antigens, pertussis toxoid (PT), filamentous haemagglutinin (FHA), and fimbriae types 2 and 3 (FIM), wherein FIM is present in an amount 5 of 12-100 μg per human dose. Also disclosed is the use of said composition in the manufacture of a vaccine for vaccinating a subject against Bordetella pertussis.