diff --git a/go.mod b/go.mod
index 61d9288..fbfbf0a 100644
--- a/go.mod
+++ b/go.mod
@@ -5,5 +5,5 @@ go 1.13
 require (
 	github.com/harakeishi/curver v0.1.2
 	github.com/likexian/whois v1.14.4
-	github.com/spf13/cobra v1.6.1
+	github.com/spf13/cobra v1.7.0
 )
diff --git a/go.sum b/go.sum
index 83e76a4..06e25d2 100644
--- a/go.sum
+++ b/go.sum
@@ -1,16 +1,16 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/harakeishi/curver v0.1.2 h1:jyPmANcNfpZIau+MJZ+cXAm8E5Hutl5EvItugaBuQmA=
 github.com/harakeishi/curver v0.1.2/go.mod h1:G8ZUue/D5LVD1MFMv8bcsrn1SdwL/LbnqC+BFoFuVJw=
-github.com/inconshreveable/mousetrap v1.0.1 h1:U3uMjPSQEBMNp1lFxmllqCPM6P5u/Xq7Pgzkat/bFNc=
-github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/likexian/gokit v0.25.9 h1:rzSQ/dP7Qw+QUzSuWlrLF0AtZS3Di6uO5yWOKhx2Gk4=
 github.com/likexian/gokit v0.25.9/go.mod h1:oDDqJUcnnF9uAKuw54F7s6oEG+OJ7eallfDW2dq0A/o=
 github.com/likexian/whois v1.14.4 h1:yNQVugAHfeoylzyhitcs0vaPksDduvzW46HLjqXhpCg=
 github.com/likexian/whois v1.14.4/go.mod h1:ijMqjPbtafr5TB49U3Hs3BsJx/93ixhRi/8YnCSK0iY=
 github.com/likexian/whois-parser v1.24.2/go.mod h1:fT0m/HCa4PXuR4ddA5PIE9V7gTWldeiMG/AHpeAhLtg=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/spf13/cobra v1.6.1 h1:o94oiPyS4KD1mPy2fmcYYHHfCxLqYjJOhGsCHFZtEzA=
-github.com/spf13/cobra v1.6.1/go.mod h1:IOw/AERYS7UzyrGinqmz6HLUo219MORXGxhbaJUqzrY=
+github.com/spf13/cobra v1.7.0 h1:hyqWnYt1ZQShIddO5kBpj3vu05/++x6tJ6dg8EC572I=
+github.com/spf13/cobra v1.7.0/go.mod h1:uLxZILRyS/50WlhOIKD7W6V5bgeIt+4sICxh6uRMrb0=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=