diff --git a/benchmarks/go/go.mod b/benchmarks/go/go.mod
index 60fddf1..2eb3cea 100644
--- a/benchmarks/go/go.mod
+++ b/benchmarks/go/go.mod
@@ -1,5 +1,5 @@
 module bench
 
-go 1.26.4
+go 1.27.1
 
-require github.com/go-ruby-format/format v0.0.0-20260916093306-887300990e07
+require github.com/go-ruby-format/format v0.0.0-20261024090817-6c2187d4883e
diff --git a/benchmarks/go/go.sum b/benchmarks/go/go.sum
index 04d6203..0cc22ea 100644
--- a/benchmarks/go/go.sum
+++ b/benchmarks/go/go.sum
@@ -6,3 +6,5 @@ github.com/go-ruby-format/format v0.0.0-20260831115501-f58c7d12507c h1:ffhla/GiF
 github.com/go-ruby-format/format v0.0.0-20260831115501-f58c7d12507c/go.mod h1:1tuz12SHPOcnFSfdPYRFwVvRhMT4Xn4M4jfPFgM7pLA=
 github.com/go-ruby-format/format v0.0.0-20260916093306-887300990e07 h1:jPTvLfwlvAoa6GTyU9dZ5EW102x+6GC+sC3b9qrS61A=
 github.com/go-ruby-format/format v0.0.0-20260916093306-887300990e07/go.mod h1:1tuz12SHPOcnFSfdPYRFwVvRhMT4Xn4M4jfPFgM7pLA=
+github.com/go-ruby-format/format v0.0.0-20261024090817-6c2187d4883e h1:n/URbM+VgEWOz2fbBbnoTK30uUrV+XoM79wYbUzyzJw=
+github.com/go-ruby-format/format v0.0.0-20261024090817-6c2187d4883e/go.mod h1:XppheIUqyYR5dhpHlAM+LRYtDM0Keqpz4v3nIrbD0n4=