diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
new file mode 100644
index 0000000..e3ea2ea
--- /dev/null
+++ b/.github/workflows/golangci-lint.yml
@@ -0,0 +1,20 @@
+name: golangci-lint
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+      - main
+  pull_request:
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.19
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
diff --git a/README.md b/README.md
index db76fd1..66442f0 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # bigburger
 
+[![Go Reference](https://pkg.go.dev/badge/github.com/Doarakko/bigburger.svg)](https://pkg.go.dev/github.com/Doarakko/bigburger)
+[![Go Report Card](https://goreportcard.com/badge/github.com/Doarakko/bigburger)](https://goreportcard.com/report/github.com/Doarakko/bigburger)
+
 Biiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiig burger!
 
 ![sample](./sample.gif)
diff --git a/go.mod b/go.mod
index f44ddb4..e2c7067 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,17 @@
 module github.com/Doarakko/bigburger
 
-go 1.13
+go 1.19
 
 require (
-	github.com/mattn/go-sixel v0.0.1
-	github.com/mattn/longcat v0.0.1
+	github.com/mattn/go-sixel v0.0.2
+	github.com/mattn/longcat v0.0.4
 	github.com/rakyll/statik v0.1.7
-	golang.org/x/image v0.0.0-20211028202545-6944b10bf410 // indirect
-	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
+	golang.org/x/term v0.0.0-20220722155259-a9ba230a4035
+)
+
+require (
+	github.com/disintegration/imaging v1.6.2 // indirect
+	github.com/soniakeys/quant v1.0.0 // indirect
+	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 // indirect
+	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
 )
diff --git a/go.sum b/go.sum
index 0c4ff33..c291277 100644
--- a/go.sum
+++ b/go.sum
@@ -1,15 +1,16 @@
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
 github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
+github.com/eliukblau/pixterm v1.3.1/go.mod h1:on5ueknFt+ZFVvIVVzQ7/JXwPjv5fJd8Q1Ybh7XixfU=
 github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e/go.mod h1:kLgvv7o6UM+0QSf0QjAse3wReFDsb9qbZJdfexWlrQw=
 github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
-github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
-github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/mattn/go-sixel v0.0.1 h1:rhJSpux2xjsmXdXqY694uiEC0Rwxt6jYoq7Bahqo2xs=
-github.com/mattn/go-sixel v0.0.1/go.mod h1:zlzhYSuMbLdRdrxfutExxGpC+Pf2uUTJ6GpVQ4LB5dc=
-github.com/mattn/longcat v0.0.1 h1:ExyQ1ZAr/DxxZLD7QEyHqfP34P/bs5Jv7ue2C5IkDXk=
-github.com/mattn/longcat v0.0.1/go.mod h1:sUG/u32l+8LdKQmUGi49ju0kN5Eq2ozAwAgazcnjzbM=
-github.com/mattn/pixterm v1.2.5-0.20191008162044-72ff621ffbff/go.mod h1:vTyMUJdLhdKEPZWDo6JxMHiCnqzi6BgELKw7qnCLrqo=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-sixel v0.0.2 h1:dpqJDkqA5rwLZjyIEuzdXiWBeqKc6GaA1NgoG9X0/gk=
+github.com/mattn/go-sixel v0.0.2/go.mod h1:h2Sss+DiUEHy0pUqcIB6PFXo5Cy8sTQEFr3a9/5ZLNw=
+github.com/mattn/longcat v0.0.4 h1:r16ULTdBdNFmcDd29q8wo05HtTrcPIi6s3yIQKe83cg=
+github.com/mattn/longcat v0.0.4/go.mod h1:HjC6ojjSHzsSZPoxyybfD3+bmmwAcXLGIxwNDi3N4n4=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rakyll/statik v0.1.7 h1:OF3QCZUuyPxuGEP7B4ypUa7sB/iHtqOTDYZXGM8KOdQ=
@@ -20,23 +21,22 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/tomnomnom/xtermcolor v0.0.0-20160428124646-b78803f00a7e/go.mod h1:fSIW/szJHsRts/4U8wlMPhs+YqJC+7NYR+Qqb1uJVpA=
 github.com/zyxar/image2ascii v0.0.0-20180912034614-460a04e371ae/go.mod h1:Md4Hcw0pmYWDCo1o/fHeOC2Gdhc6oDRwLim8V+SMvI0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.0.0-20211028202545-6944b10bf410 h1:hTftEOvwiOq2+O8k2D5/Q7COC7k5Qcrgc2TFURJYnvQ=
-golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
+golang.org/x/image v0.0.0-20191206065243-da761ea9ff43/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
+golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
-golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab h1:2QkjZIsXupsJbJIdSjjUOgWK3aEtzyuh2mPt3l/CkeU=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20220722155259-a9ba230a4035 h1:Q5284mrmYTpACcm+eAKjKJH48BBwSyfJqmmGDTtT8Vc=
+golang.org/x/term v0.0.0-20220722155259-a9ba230a4035/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+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=
diff --git a/main.go b/main.go
index 6aaf29e..9fd7102 100644
--- a/main.go
+++ b/main.go
@@ -10,19 +10,19 @@ import (
 	"image"
 	"image/draw"
 	"image/png"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
 	"strings"
 	"time"
 
-	"golang.org/x/term"
-	//_ "./statik"
-	_ "github.com/Doarakko/bigburger/statik"
 	"github.com/mattn/go-sixel"
 	"github.com/mattn/longcat/iterm"
 	"github.com/rakyll/statik/fs"
+	"golang.org/x/term"
+
+	// _ "./statik"
+	_ "github.com/Doarakko/bigburger/statik"
 )
 
 // Topping struct
@@ -49,7 +49,8 @@ func saveImage(filename string, img image.Image) error {
 	if err != nil {
 		return err
 	}
-	return ioutil.WriteFile(filename, buf.Bytes(), 0644)
+
+	return os.WriteFile(filename, buf.Bytes(), 0644)
 }
 
 var toppings [6]Topping
@@ -119,14 +120,14 @@ func main() {
 	flag.IntVar(&nBurger, "n", 1, "number of big burger")
 	flag.Float64Var(&rInterval, "i", 1.0, "rate of intervals")
 	flag.StringVar(&fileName, "o", "", "output image file")
-	flag.BoolVar(&sesame, "s", false,"buns with sesame")
+	flag.BoolVar(&sesame, "s", false, "buns with sesame")
 
 	for i := 0; i < len(toppings); i++ {
 		flag.IntVar(&toppings[i].Count, toppings[i].Option, toppings[i].Count, fmt.Sprintf("how many %s", toppings[i].Name))
 	}
 	flag.Parse()
 
-	if sesame{
+	if sesame {
 		top = topWithSesame
 	}