At 6.47am on Saturday 10 October, an unknown offender entered the loading bay of Friars Square and started a fire in the bins area.
No one was injured during the incident and the fire did not cause significant damage.
Investigating officer PC Jeremy Oldroyd, based at Aylesbury police station, said: “I am releasing this footage as I believe that this person may have information that could help with my investigation.
“If you recognise this person, or think that it might be you, get in touch.
“You can contact us using our online reporting form, quoting reference number 43200319054, or by calling the non-emergency number 101.
“Alternatively, you can call Crimestoppers 100% anonymously on 0800 555 111.”