In 1754, the bakufu decided to ease regulations for the first time since the Genroku era and permitted the brewing of shinshu (new brew of sake) as well as kanshu (sake brewed in the winter) partly for the purpose of preventing a decline in rice prices due to a sequence of rich harvests in early Horeki era.
宝暦年間初期は豊作が続いたため、米価の下落を防ぐためもあって、幕府は宝暦4年（1754年）に元禄時代以来の規制緩和に踏み切り、寒酒のみならず新酒を造ることも許可した。