diff --git a/phpfpm/phpfpm.go b/phpfpm/phpfpm.go
index a7c3bb7..33d955c 100644
--- a/phpfpm/phpfpm.go
+++ b/phpfpm/phpfpm.go
@@ -17,7 +17,7 @@ package phpfpm
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/url"
 	"regexp"
 	"strconv"
@@ -178,7 +178,7 @@ func (p *Pool) Update() (err error) {
 
 	defer resp.Body.Close()
 
-	content, err := ioutil.ReadAll(resp.Body)
+	content, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return p.error(err)
 	}