diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index cac467e..02678f6 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -11,24 +11,21 @@ on:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 1.17
       - uses: actions/checkout@v3
       - uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.45.2
+          version: v1.49.0
   test:
     name: Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       matrix:
-        go: [ '1.16.x', '1.17.x', '1.18.x' ]
+        go: [ '1.18.x', '1.19.x' ]
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}
       - run: go test -race -covermode=atomic -coverprofile=coverage.txt ./...
diff --git a/go.mod b/go.mod
index e981e37..29928a1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/osamingo/indigo
 
-go 1.15
+go 1.18
 
 require (
 	github.com/osamingo/base58 v1.0.0
-	github.com/sony/sonyflake v1.0.1-0.20200827011719-848d664ceea4
+	github.com/sony/sonyflake v1.1.0
 )
diff --git a/go.sum b/go.sum
index 5ea501f..1d0483c 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
 github.com/osamingo/base58 v1.0.0 h1:NhsHxeyMRaD5Li67LgdZG+4/rlyaNr9rVqYQxNGLOYg=
 github.com/osamingo/base58 v1.0.0/go.mod h1:nADsGCd4fm122SrLUaut+PhzCVwyvchAgxxBVDS5Wf8=
-github.com/sony/sonyflake v1.0.1-0.20200827011719-848d664ceea4 h1:KPf4aWX4JGEdMICunm9A0YTFbD6OL23G14BR7cL/0wg=
-github.com/sony/sonyflake v1.0.1-0.20200827011719-848d664ceea4/go.mod h1:LORtCywH/cq10ZbyfhKrHYgAUGH7mOBa76enV9txy/Y=
+github.com/sony/sonyflake v1.1.0 h1:wnrEcL3aOkWmPlhScLEGAXKkLAIslnBteNUq4Bw6MM4=
+github.com/sony/sonyflake v1.1.0/go.mod h1:LORtCywH/cq10ZbyfhKrHYgAUGH7mOBa76enV9txy/Y=
diff --git a/indigo_test.go b/indigo_test.go
index d627965..b5783ca 100644
--- a/indigo_test.go
+++ b/indigo_test.go
@@ -231,7 +231,7 @@ func BenchmarkGenerator_NextID(b *testing.B) {
 	}
 }
 
-func ExampleGenerator_NextID() {
+func ExampleGenerator_NextID() { //nolint: nosnakecase
 	const machineID = 65535
 
 	g := indigo.New(