Ohio Republican lawmakers have introduced a bill to reform their state’s marijuana laws, increasing taxes on the substance and limiting personal cultivation.

Subscribe to the Wake Up, cleveland.com’s free morning newsletter, delivered to your inbox weekdays at 5:30 a.m. Less than two years after 57% of Ohioans voted to legalize medical marijuana, state legislators want to add limits to the law.

Senate Bill 56 increases the excise tax on adult-use marijuana to 15% and limits home grow, among other changes to the voter-approved law.

Ohio Republican lawmakers are reviving an effort to significantly alter the state’s voter-approved marijuana legalization law—in part by raising the tax on cannabis products, halving the number of plants adults could grow and eliminating certain social equity provisions.