diff --git a/go.mod b/go.mod
index 313e628..c205f5a 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.23.0
 
 require (
 	github.com/Songmu/prompter v0.5.1
-	github.com/alecthomas/kong v0.9.0
+	github.com/alecthomas/kong v1.2.1
 	github.com/aws/aws-lambda-go v1.47.0
 	github.com/aws/aws-sdk-go-v2 v1.30.5
 	github.com/aws/aws-sdk-go-v2/config v1.27.33
diff --git a/go.sum b/go.sum
index 0d76303..4aec4e2 100644
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,9 @@
 github.com/Songmu/prompter v0.5.1 h1:IAsttKsOZWSDw7bV1mtGn9TAmLFAjXbp9I/eYmUUogo=
 github.com/Songmu/prompter v0.5.1/go.mod h1:CS3jEPD6h9IaLaG6afrl1orTgII9+uDWuw95dr6xHSw=
-github.com/alecthomas/assert/v2 v2.6.0 h1:o3WJwILtexrEUk3cUVal3oiQY2tfgr/FHWiz/v2n4FU=
-github.com/alecthomas/assert/v2 v2.6.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/kong v0.9.0 h1:G5diXxc85KvoV2f0ZRVuMsi45IrBgx9zDNGNj165aPA=
-github.com/alecthomas/kong v0.9.0/go.mod h1:Y47y5gKfHp1hDc7CH7OeXgLIpp+Q2m1Ni0L5s3bI8Os=
+github.com/alecthomas/assert/v2 v2.10.0 h1:jjRCHsj6hBJhkmhznrCzoNpbA3zqy0fYiUcYZP/GkPY=
+github.com/alecthomas/assert/v2 v2.10.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/kong v1.2.1 h1:E8jH4Tsgv6wCRX2nGrdPyHDUCSG83WH2qE4XLACD33Q=
+github.com/alecthomas/kong v1.2.1/go.mod h1:rKTSFhbdp3Ryefn8x5MOEprnRFQ7nlmMC01GKhehhBM=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/aws/aws-lambda-go v1.47.0 h1:0H8s0vumYx/YKs4sE7YM0ktwL2eWse+kfopsRI1sXVI=