diff --git a/benchmarks/go/go.mod b/benchmarks/go/go.mod
index d31c1dc..e702621 100644
--- a/benchmarks/go/go.mod
+++ b/benchmarks/go/go.mod
@@ -2,4 +2,4 @@ module bench
 
 go 1.26.4
 
-require github.com/go-ruby-optparse/optparse v0.0.0-20260629093110-6b69a6b03546
+require github.com/go-ruby-optparse/optparse v0.0.0-20260717071632-da8194087eaf
diff --git a/benchmarks/go/go.sum b/benchmarks/go/go.sum
index 151263f..b862f3f 100644
--- a/benchmarks/go/go.sum
+++ b/benchmarks/go/go.sum
@@ -1,2 +1,4 @@
 github.com/go-ruby-optparse/optparse v0.0.0-20260629093110-6b69a6b03546 h1:A4xMrLruv4Zp4q0AhTFngQ9JccwqbxVBiWB3fiTZVsQ=
 github.com/go-ruby-optparse/optparse v0.0.0-20260629093110-6b69a6b03546/go.mod h1:BxhqkQFCqSMeYeWOHt7sdxTSkbaSJF19dWzspICZL1Q=
+github.com/go-ruby-optparse/optparse v0.0.0-20260717071632-da8194087eaf h1:48jiVvMG5OM0DhXLnKEzUtUulPELtx+QASI8KUt5gaQ=
+github.com/go-ruby-optparse/optparse v0.0.0-20260717071632-da8194087eaf/go.mod h1:BxhqkQFCqSMeYeWOHt7sdxTSkbaSJF19dWzspICZL1Q=