diff --git a/cmd/git-chglog/main.go b/cmd/git-chglog/main.go
index 32a1c954..6f262476 100644
--- a/cmd/git-chglog/main.go
+++ b/cmd/git-chglog/main.go
@@ -8,7 +8,7 @@ import (
 	"github.com/fatih/color"
 	"github.com/mattn/go-colorable"
 	gitcmd "github.com/tsuyoshiwada/go-gitcmd"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
 func CreateApp(actionFunc cli.ActionFunc) *cli.App {
@@ -71,57 +71,57 @@ func CreateApp(actionFunc cli.ActionFunc) *cli.App {
 
 	app.Flags = []cli.Flag{
 		// init
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "init",
 			Usage: "generate the git-chglog configuration file in interactive",
 		},
 
 		// config
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "config, c",
 			Usage: "specifies a different configuration file to pick up",
 			Value: ".chglog/config.yml",
 		},
 
 		// output
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "output, o",
 			Usage: "output path and filename for the changelogs. If not specified, output to stdout",
 		},
 
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "next-tag",
 			Usage: "treat unreleased commits as specified tags (EXPERIMENTAL)",
 		},
 
 		// silent
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "silent",
 			Usage: "disable stdout output",
 		},
 
 		// no-color
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:   "no-color",
 			Usage:  "disable color output",
-			EnvVar: "NO_COLOR",
+			EnvVars: []string{"NO_COLOR"},
 		},
 
 		// no-emoji
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:   "no-emoji",
 			Usage:  "disable emoji output",
-			EnvVar: "NO_EMOJI",
+			EnvVars: []string{"NO_EMOJI"},
 		},
 
 		// no-case
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "no-case",
 			Usage: "disable case sensitive filters",
 		},
 
 		// tag-filter-pattern
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "tag-filter-pattern, p",
 			Usage: "Regular expression of tag filter. Is specified, only matched tags will be picked",
 		},
diff --git a/cmd/git-chglog/main_test.go b/cmd/git-chglog/main_test.go
index 48bc1178..b7f4e396 100644
--- a/cmd/git-chglog/main_test.go
+++ b/cmd/git-chglog/main_test.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"github.com/stretchr/testify/assert"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 	"testing"
 )
 
diff --git a/go.mod b/go.mod
index 14d37f72..431480e8 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/mattn/go-colorable v0.1.8
 	github.com/stretchr/testify v1.7.0
 	github.com/tsuyoshiwada/go-gitcmd v0.0.0-20180205145712-5f1f5f9475df
-	github.com/urfave/cli v1.22.5
+	github.com/urfave/cli/v2 v2.3.0
 	gopkg.in/kyokomi/emoji.v1 v1.5.1
 	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/go.sum b/go.sum
index 204fb8b9..0397c762 100644
--- a/go.sum
+++ b/go.sum
@@ -38,8 +38,8 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tsuyoshiwada/go-gitcmd v0.0.0-20180205145712-5f1f5f9475df h1:Y2l28Jr3vOEeYtxfVbMtVfOdAwuUqWaP9fvNKiBVeXY=
 github.com/tsuyoshiwada/go-gitcmd v0.0.0-20180205145712-5f1f5f9475df/go.mod h1:pnyouUty/nBr/zm3GYwTIt+qFTLWbdjeLjZmJdzJOu8=
-github.com/urfave/cli v1.22.5 h1:lNq9sAHXK2qfdI8W+GRItjCEkI+2oR4d+MEHy1CKXoU=
-github.com/urfave/cli v1.22.5/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
+github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5 h1:8dUaAV7K4uHsF56JQWkprecIQKdPHtR9jCHF5nB8uzc=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -57,7 +57,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/kyokomi/emoji.v1 v1.5.1 h1:beetH5mWDMzFznJ+Qzd5KVHp79YKhVUMcdO8LpRLeGw=
 gopkg.in/kyokomi/emoji.v1 v1.5.1/go.mod h1:N9AZ6hi1jHOPn34PsbpufQZUcKftSD7WgS2pgpmH4Lg=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=