diff --git a/pkg/event_processor/processor_test.go b/pkg/event_processor/processor_test.go
index 536a3cd14..de69604c1 100644
--- a/pkg/event_processor/processor_test.go
+++ b/pkg/event_processor/processor_test.go
@@ -3,8 +3,8 @@ package event_processor
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"log"
+	"os"
 	"strings"
 	"testing"
 	"time"
@@ -42,7 +42,7 @@ func TestEventProcessor_Serve(t *testing.T) {
 	go func() {
 		ep.Serve()
 	}()
-	content, err := ioutil.ReadFile(testFile)
+	content, err := os.ReadFile(testFile)
 	if err != nil {
 		//Do something
 		log.Fatalf("open file error: %s, file:%s", err.Error(), testFile)
@@ -59,7 +59,7 @@ func TestEventProcessor_Serve(t *testing.T) {
 			t.Fatalf("json unmarshal error: %s, body:%v", err.Error(), line)
 		}
 		payloadFile := fmt.Sprintf("testdata/%d.bin", eventSSL.Timestamp)
-		b, e := ioutil.ReadFile(payloadFile)
+		b, e := os.ReadFile(payloadFile)
 		if e != nil {
 			t.Fatalf("read payload file error: %s, file:%s", e.Error(), payloadFile)
 		}
diff --git a/pkg/util/kernel/kernel_version.go b/pkg/util/kernel/kernel_version.go
index ddfb76e4c..ea040a99d 100644
--- a/pkg/util/kernel/kernel_version.go
+++ b/pkg/util/kernel/kernel_version.go
@@ -19,7 +19,7 @@ package kernel
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strconv"
 	"strings"
@@ -73,7 +73,7 @@ func currentVersionUname() (uint32, error) {
 }
 
 func currentVersionUbuntu() (uint32, error) {
-	procVersion, err := ioutil.ReadFile("/proc/version_signature")
+	procVersion, err := os.ReadFile("/proc/version_signature")
 	if err != nil {
 		return 0, err
 	}
@@ -100,7 +100,7 @@ func parseDebianVersion(str string) (uint32, error) {
 }
 
 func currentVersionDebian() (uint32, error) {
-	procVersion, err := ioutil.ReadFile("/proc/version")
+	procVersion, err := os.ReadFile("/proc/version")
 	if err != nil {
 		return 0, fmt.Errorf("error reading /proc/version: %s", err)
 	}