diff --git a/go.mod b/go.mod
index b0061c3..e8420d7 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.25.1
 
 require (
 	github.com/flashcatcloud/go-flashduty v0.15.2
-	github.com/mattn/go-runewidth v0.0.28
+	github.com/mattn/go-runewidth v0.0.29
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/toon-format/toon-go v0.0.0-20251202084852-7ca0e27c4e8c
diff --git a/go.sum b/go.sum
index 77c87a7..e3f6214 100644
--- a/go.sum
+++ b/go.sum
@@ -5,8 +5,8 @@ github.com/flashcatcloud/go-flashduty v0.15.2 h1:dDUcoaMB48cLoRVJU8AcfXWaSEEHtI0
 github.com/flashcatcloud/go-flashduty v0.15.2/go.mod h1:YpHiTYXR5NXBI/rGRZfUy537XMkhdCkwA8NW1QoRHwk=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/mattn/go-runewidth v0.0.28 h1:rPyg2ybwEKPebvpzVWe1gKBkH8EQFkxO4Y0hjBeLaBU=
-github.com/mattn/go-runewidth v0.0.28/go.mod h1:3qAiGCV4Koz/yuveO58qUefmUTRm8r0IGEXZ9jeHp/8=
+github.com/mattn/go-runewidth v0.0.29 h1:3oGF3R/S2N9DQ3ptftzVIvg2eicmojCzlwBEmqEPDfQ=
+github.com/mattn/go-runewidth v0.0.29/go.mod h1:3qAiGCV4Koz/yuveO58qUefmUTRm8r0IGEXZ9jeHp/8=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
 github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=