Major renovations were undertaken in 1624, with 19 shinpan- and fudai-daimyo families, including the Owari and Kii clans, in charge of constructing the stone walls.
寛永元年から大規模な改修が行われ、尾張藩や紀伊藩などの親藩・譜代の19家が石垣普請を担当した。