I Had Taken Vaccine Of Rabipur 5 Injections Started In

i had taken vaccine of rabipur 5 injections started in Feb 2016 and end in March 2016. Now in MAY 2016 i had been given scratch by street dog i.e his feet nail got scratched on my feet thumb. there was no blood, but there is wound. Shall i go for 5 rabipur course again or last immune still resists ?? kindly advise.