diff --git a/pkg/metrics/metrics_test.go b/pkg/metrics/metrics_test.go
index bb840a038..be38a4baa 100644
--- a/pkg/metrics/metrics_test.go
+++ b/pkg/metrics/metrics_test.go
@@ -20,7 +20,6 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net"
 	"net/http"
@@ -119,7 +118,7 @@ func TestRecordMetricsForNonExistingOperation(t *testing.T) {
 	if err != nil || rsp.StatusCode != http.StatusOK {
 		t.Errorf("failed to get response from server %v, %v", err, rsp)
 	}
-	r, err := ioutil.ReadAll(rsp.Body)
+	r, err := io.ReadAll(rsp.Body)
 	if err != nil {
 		t.Errorf("failed to read response body %v", err)
 	}
@@ -144,7 +143,7 @@ func TestDropOperation(t *testing.T) {
 	if err != nil || rsp.StatusCode != http.StatusOK {
 		t.Errorf("failed to get response from server %v, %v", err, rsp)
 	}
-	r, err := ioutil.ReadAll(rsp.Body)
+	r, err := io.ReadAll(rsp.Body)
 	if err != nil {
 		t.Errorf("failed to read response body %v", err)
 	}
@@ -554,7 +553,7 @@ func verifyInFlightMetric(expected string, srvAddr string) error {
 	if rsp.StatusCode != http.StatusOK {
 		return fmt.Errorf("failed to get response from serve: %s", http.StatusText(rsp.StatusCode))
 	}
-	r, err := ioutil.ReadAll(rsp.Body)
+	r, err := io.ReadAll(rsp.Body)
 	if err != nil {
 		return err
 	}
@@ -574,7 +573,7 @@ func verifyMetric(expected, srvAddr string) error {
 	if rsp.StatusCode != http.StatusOK {
 		return fmt.Errorf("failed to get response from serve: %s", http.StatusText(rsp.StatusCode))
 	}
-	r, err := ioutil.ReadAll(rsp.Body)
+	r, err := io.ReadAll(rsp.Body)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/validation-webhook/webhook.go b/pkg/validation-webhook/webhook.go
index 6da0b8a53..09beecfdc 100644
--- a/pkg/validation-webhook/webhook.go
+++ b/pkg/validation-webhook/webhook.go
@@ -21,7 +21,7 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 
@@ -108,7 +108,7 @@ func serve(w http.ResponseWriter, r *http.Request, admit admitHandler) {
 		http.Error(w, msg, http.StatusBadRequest)
 	}
 
-	data, err := ioutil.ReadAll(r.Body)
+	data, err := io.ReadAll(r.Body)
 	if err != nil {
 		msg := fmt.Sprintf("Request could not be decoded: %v", err)
 		klog.Error(msg)