diff --git a/frame_test.go b/frame_test.go
index 0fcc1ce..9586cb2 100644
--- a/frame_test.go
+++ b/frame_test.go
@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/asticode/go-astiav"
@@ -128,7 +128,7 @@ func videoInputLastVideoFrame() (f *astiav.Frame, err error) {
 func TestFrame(t *testing.T) {
 	f1, err := videoInputLastVideoFrame()
 	require.NoError(t, err)
-	b, err := ioutil.ReadFile("testdata/frame")
+	b, err := os.ReadFile("testdata/frame")
 	require.NoError(t, err)
 	require.Equal(t, string(b), fmt.Sprintf("%+v", f1.Data()))
 	require.Equal(t, [8]int{384, 192, 192, 0, 0, 0, 0, 0}, f1.Linesize())
diff --git a/io_context_test.go b/io_context_test.go
index f335161..3ddf63a 100644
--- a/io_context_test.go
+++ b/io_context_test.go
@@ -1,7 +1,6 @@
 package astiav_test
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -19,7 +18,7 @@ func TestIOContext(t *testing.T) {
 	c.Write([]byte("test"))
 	err = c.Closep()
 	require.NoError(t, err)
-	b, err := ioutil.ReadFile(path)
+	b, err := os.ReadFile(path)
 	require.NoError(t, err)
 	require.Equal(t, "test", string(b))
 	err = os.Remove(path)