diff --git a/Makefile b/Makefile
index a168ee138..2de03c8c3 100644
--- a/Makefile
+++ b/Makefile
@@ -34,3 +34,7 @@ test: build
 test-clean:
 	go clean -testcache
 	go test ./...
+
+.PHONY: lint
+lint:
+	golangci-lint run ./...
\ No newline at end of file
diff --git a/cmd/version.go b/cmd/version.go
index 170e57ebd..523546e3a 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -9,7 +9,7 @@ import (
 
 func newVersionCommand() *cli.Command {
 	return &cli.Command{
-		Name: "version",
+		Name:  "version",
 		Usage: "dagu version",
 		Action: func(c *cli.Context) error {
 			if constants.Version != "" {
diff --git a/go.mod b/go.mod
index 9de2ff8c3..807479b18 100644
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,7 @@ require (
 	github.com/imdario/mergo v0.3.12
 	github.com/jedib0t/go-pretty/v6 v6.3.1
 	github.com/mitchellh/mapstructure v1.5.0
+	github.com/robfig/cron/v3 v3.0.1
 	github.com/stretchr/testify v1.7.1
 	github.com/urfave/cli/v2 v2.4.5
 	golang.org/x/text v0.3.7
@@ -19,8 +20,7 @@ require (
 	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
-	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	golang.org/x/sys v0.0.0-20180816055513-1c9583448a9c // indirect
+	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )
diff --git a/go.sum b/go.sum
index ff0e0752b..6c672bcec 100644
--- a/go.sum
+++ b/go.sum
@@ -29,8 +29,9 @@ github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMT
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/urfave/cli/v2 v2.4.5 h1:AWCiaqBc+38MxX6nJfjRQyyd2Gq50sOan+AEyv/vFhM=
 github.com/urfave/cli/v2 v2.4.5/go.mod h1:oDzoM7pVwz6wHn5ogWgFUU1s4VJayeQS+aEZDqXIEJs=
-golang.org/x/sys v0.0.0-20180816055513-1c9583448a9c h1:uHnKXcvx6SNkuwC+nrzxkJ+TpPwZOtumbhWrrOYN5YA=
 golang.org/x/sys v0.0.0-20180816055513-1c9583448a9c/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
+golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=