(CNN) The Mile High City might be getting a whole lot higher.

An advocacy group has collected nearly 9,500 signatures to get a measure on the ballot in May that would decriminalize psychedelic mushrooms in Denver.

@DecriminalizeDenver (Psilocybin Initiative) has submitted petitions for an Initiated Ordinance. We have 25 days to review the petitions to see if they contain enough valid signatures for the ordinance to appear on the May ballot. pic.twitter.com/VRizVqgO7u — Denver Elections (@DenverElections) January 7, 2019

While the Denver Elections Division has yet to verify the signatures, the issue is sure to sprout some debate.

"We want people kept out of prison, families kept together," said Kevin Matthews, the campaign director of Decriminalize Denver. "That was the main motivation for this."