diff --git a/glog_bench_test.go b/glog_bench_test.go
index 359546f8..da92c27a 100644
--- a/glog_bench_test.go
+++ b/glog_bench_test.go
@@ -2,7 +2,7 @@ package glog
 
 import (
 	"flag"
-	"io/ioutil"
+	"io"
 	"runtime"
 	"sync"
 	"sync/atomic"
@@ -39,7 +39,7 @@ func (s *fileSink) newDiscarders() severityWriters {
 
 func discardStderr() func() {
 	se := sinks.stderr.w
-	sinks.stderr.w = ioutil.Discard
+	sinks.stderr.w = io.Discard
 	return func() { sinks.stderr.w = se }
 }
 
diff --git a/glog_test.go b/glog_test.go
index 81c43ce1..bea9a249 100644
--- a/glog_test.go
+++ b/glog_test.go
@@ -4,8 +4,8 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	stdLog "log"
+	"os"
 	"path/filepath"
 	"runtime"
 	"strconv"
@@ -511,7 +511,7 @@ func TestRollover(t *testing.T) {
 	}
 
 	// Check to see if the original file has the continued footer.
-	f0, err := ioutil.ReadFile(fname0)
+	f0, err := os.ReadFile(fname0)
 	if err != nil {
 		t.Fatalf("Unable to read file %s: %v", fname0, err)
 	}
@@ -535,7 +535,7 @@ func TestRollover(t *testing.T) {
 	}
 
 	// Check to see if the previous file header is there in the new file
-	f1, err := ioutil.ReadFile(fname1)
+	f1, err := os.ReadFile(fname1)
 	if err != nil {
 		t.Fatalf("Unable to read file %s: %v", fname1, err)
 	}