diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c73d3f6..1dce5e2 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,6 +13,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.23'
       - uses: golangci/golangci-lint-action@v6
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8663b3a..c432322 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.23'
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:
diff --git a/go.mod b/go.mod
index 0e53f0a..5483a51 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/mxssl/ntwrk
 
-go 1.22
+go 1.23
 
 require (
 	github.com/joho/godotenv v1.5.1
diff --git a/main.go b/main.go
index 1e22553..6ced26f 100644
--- a/main.go
+++ b/main.go
@@ -50,7 +50,7 @@ func main() {
 
 	http.HandleFunc("/", rootHandler)
 
-	port := fmt.Sprintf(":" + port)
+	port := fmt.Sprintf(":%s", port)
 
 	server := http.Server{Addr: port}
 
@@ -88,7 +88,7 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
 	if mode == modeNative {
 		for _, ip := range re.FindStringSubmatch(r.RemoteAddr)[1:] {
 			if ip != "" {
-				fmt.Fprintf(w, ip+"\n")
+				fmt.Fprintf(w, "%s\n", ip)
 				slog.Info(
 					"request",
 					slog.String("source", ip),
@@ -98,7 +98,7 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
 	}
 	if mode == modeCloudflare {
 		ip := r.Header.Get("CF-Connecting-IP")
-		fmt.Fprintf(w, ip+"\n")
+		fmt.Fprintf(w, "%s\n", ip)
 		slog.Info(
 			"request",
 			"ip", ip,