diff --git a/server/certificates/certificates.go b/server/certificates/certificates.go
index 6dc8573..8944468 100644
--- a/server/certificates/certificates.go
+++ b/server/certificates/certificates.go
@@ -12,7 +12,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"strconv"
 	"strings"
@@ -329,7 +328,7 @@ func SetupAcmeConfig(acmeAPI, acmeMail, acmeEabHmac, acmeEabKID string, acmeAcce
 	var myAcmeAccount AcmeAccount
 	var myAcmeConfig *lego.Config
 
-	if account, err := ioutil.ReadFile(configFile); err == nil {
+	if account, err := os.ReadFile(configFile); err == nil {
 		if err := json.Unmarshal(account, &myAcmeAccount); err != nil {
 			return nil, err
 		}