diff --git a/pkg/cmd/proxy/main.go b/pkg/cmd/proxy/main.go
index f30d2d2..f0099b5 100644
--- a/pkg/cmd/proxy/main.go
+++ b/pkg/cmd/proxy/main.go
@@ -20,7 +20,6 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"os"
@@ -188,7 +187,7 @@ func getRestConfig() (*rest.Config, error) {
 		return nil, rest.ErrNotInCluster
 	}
 
-	token, err := ioutil.ReadFile(tokenFile)
+	token, err := os.ReadFile(tokenFile)
 	if err != nil {
 		return nil, err
 	}