diff --git a/collectors/traffic_collector.go b/collectors/traffic_collector.go
index 4dfd549..ca18d23 100644
--- a/collectors/traffic_collector.go
+++ b/collectors/traffic_collector.go
@@ -7,6 +7,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/log"
 	"github.com/tomvil/countries"
+	"github.com/tomvil/go-ipprotocols"
 	wgc "github.com/tomvil/wanguard_exporter/client"
 )
 
@@ -66,19 +67,6 @@ type Talker struct {
 	Value     int
 }
 
-var protocol = map[int]string{
-	1:  "ICMP",
-	2:  "IGMP",
-	6:  "TCP",
-	17: "UDP",
-	47: "GRE",
-	50: "ESP",
-	51: "AH",
-	58: "ICMPv6",
-	88: "EIGRP",
-	89: "OSPF",
-}
-
 func NewTrafficCollector(wgclient *wgc.Client) *TrafficCollector {
 	prefix := "wanguard_traffic_"
 	return &TrafficCollector{
@@ -197,7 +185,11 @@ func collectTopTrafficByIPProtocol(desc *prometheus.Desc, ch chan<- prometheus.M
 
 	for i := 1; i <= len(ipProtocolTop.Top); i++ {
 		k := strconv.Itoa(i)
-		ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(ipProtocolTop.Top[k].Value), protocol[ipProtocolTop.Top[k].IPProtocol])
+		protocolName, err := ipprotocols.GetProtocolName(ipProtocolTop.Top[k].IPProtocol)
+		if err != nil {
+			log.Errorln(err.Error())
+		}
+		ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(ipProtocolTop.Top[k].Value), protocolName)
 	}
 
 	defer wsync.Done()
diff --git a/go.mod b/go.mod
index 067ad4e..d6d5e83 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,12 @@
 module github.com/tomvil/wanguard_exporter
 
-go 1.17
+go 1.21.5
 
 require (
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/common v0.26.0
 	github.com/tomvil/countries v0.0.0-20220104165753-f0d74c0c9799
+	github.com/tomvil/go-ipprotocols v0.0.0-20241014123012-278a27f8a73e
 )
 
 require (
diff --git a/go.sum b/go.sum
index c0dc6d2..7ac4598 100644
--- a/go.sum
+++ b/go.sum
@@ -97,6 +97,8 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/tomvil/countries v0.0.0-20220104165753-f0d74c0c9799 h1:WsFmU9SbaxwRxrCkI45yTjGJ4NRInkoE6C2URi68gbU=
 github.com/tomvil/countries v0.0.0-20220104165753-f0d74c0c9799/go.mod h1:DGwxkfl84qe5kzX5D6fljA6V+MEk8PvdVGT1MnDl5Js=
+github.com/tomvil/go-ipprotocols v0.0.0-20241014123012-278a27f8a73e h1:ZKGEs1IO5ZuJvoI7yfw92nRoiwwh5XiQXqnDl9CZqfU=
+github.com/tomvil/go-ipprotocols v0.0.0-20241014123012-278a27f8a73e/go.mod h1:U0UPn/og7dbWylgkF76EPY1gkkNo0IDnAK3dmzigLK0=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=