diff --git a/go.mod b/go.mod
index 293707b..948c35f 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/go-ruby-optparse/go-ruby-optparse.github.io
 
 go 1.27.3
 
-require github.com/go-fleettools/landingkit v0.14.0
+require github.com/go-fleettools/landingkit v0.18.0
diff --git a/go.sum b/go.sum
index fd5a6f0..2975885 100644
--- a/go.sum
+++ b/go.sum
@@ -2,3 +2,4 @@ github.com/go-fleettools/landingkit v0.7.0 h1:PgzQseKnfm6m2TOSN+HfsoYJxDI74WyuLq
 github.com/go-fleettools/landingkit v0.7.0/go.mod h1:gBpbziqFcmcjtNknPjy5+AAzGZ5L+pPr9mIJZHpDlZc=
 github.com/go-fleettools/landingkit v0.7.1/go.mod h1:gBpbziqFcmcjtNknPjy5+AAzGZ5L+pPr9mIJZHpDlZc=
 github.com/go-fleettools/landingkit v0.14.0/go.mod h1:gBpbziqFcmcjtNknPjy5+AAzGZ5L+pPr9mIJZHpDlZc=
+github.com/go-fleettools/landingkit v0.18.0/go.mod h1:gBpbziqFcmcjtNknPjy5+AAzGZ5L+pPr9mIJZHpDlZc=