diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index cf8e8c9..281063e 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -14,13 +14,10 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-
+      - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.19
-
-      - uses: actions/checkout@v3
-
+          go-version: '1.21'
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
diff --git a/cmd/gom/cmd/play.go b/cmd/gom/cmd/play.go
index 4864d83..8c3f4c6 100644
--- a/cmd/gom/cmd/play.go
+++ b/cmd/gom/cmd/play.go
@@ -23,6 +23,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+const hostFwdPrefix = ",hostfwd=tcp::"
+
 // playCmd is gom play.
 var playCmd = &cobra.Command{
 	Use:   "play",
@@ -371,9 +373,9 @@ func setNetworkingArgs(qemuArgs *[]string) (bool, error) {
 		netNatDefault := []string{
 			"-device", "e1000,netdev=net0",
 			"-netdev", "user,id=net0" +
-				",hostfwd=tcp::" + fmt.Sprint(freePorts[0]) + "-:80" +
-				",hostfwd=tcp::" + fmt.Sprint(freePorts[1]) + "-:443" +
-				",hostfwd=tcp::" + fmt.Sprint(freePorts[2]) + "-:22",
+				hostFwdPrefix + fmt.Sprint(freePorts[0]) + "-:80" +
+				hostFwdPrefix + fmt.Sprint(freePorts[1]) + "-:443" +
+				hostFwdPrefix + fmt.Sprint(freePorts[2]) + "-:22",
 		}
 
 		*qemuArgs = append(*qemuArgs, netNatDefault...)
@@ -383,7 +385,7 @@ func setNetworkingArgs(qemuArgs *[]string) (bool, error) {
 
 		netNat := []string{"-netdev", "user,id=net0", "-device", "e1000,netdev=net0"}
 		for _, p := range ports {
-			netNat[1] += ",hostfwd=tcp::" + p
+			netNat[1] += hostFwdPrefix + p
 		}
 
 		*qemuArgs = append(*qemuArgs, netNat...)
diff --git a/cmd/gom/cmd/version.go b/cmd/gom/cmd/version.go
index e6b8722..7c8df31 100644
--- a/cmd/gom/cmd/version.go
+++ b/cmd/gom/cmd/version.go
@@ -14,7 +14,7 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "returns the version of the program",
 	Long:  `returns the version of the program`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, _ []string) error {
 		return versionImpl.version()
 	},
 }
diff --git a/internal/oci/pull.go b/internal/oci/pull.go
index 6f61162..8eacfab 100644
--- a/internal/oci/pull.go
+++ b/internal/oci/pull.go
@@ -35,7 +35,7 @@ func Pull(ctx context.Context, image string, username string, password string, o
 
 	// Setup the client credentials.
 	repo.Client = &auth.Client{
-		Credential: func(ctx context.Context, reg string) (auth.Credential, error) {
+		Credential: func(_ context.Context, _ string) (auth.Credential, error) {
 			return auth.Credential{
 				Username: username,
 				Password: password,