diff --git a/bench_test.go b/bench_test.go
index c3f849c1..9d89c210 100644
--- a/bench_test.go
+++ b/bench_test.go
@@ -1,7 +1,7 @@
 package avro_test
 
 import (
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/hamba/avro/v2"
@@ -33,7 +33,7 @@ type PartialSuperhero struct {
 }
 
 func BenchmarkSuperheroDecode(b *testing.B) {
-	data, err := ioutil.ReadFile("testdata/superhero.bin")
+	data, err := os.ReadFile("testdata/superhero.bin")
 	if err != nil {
 		panic(err)
 	}
@@ -79,7 +79,7 @@ func BenchmarkSuperheroEncode(b *testing.B) {
 }
 
 func BenchmarkPartialSuperheroDecode(b *testing.B) {
-	data, err := ioutil.ReadFile("testdata/superhero.bin")
+	data, err := os.ReadFile("testdata/superhero.bin")
 	if err != nil {
 		panic(err)
 	}
@@ -99,7 +99,7 @@ func BenchmarkPartialSuperheroDecode(b *testing.B) {
 }
 
 func BenchmarkSuperheroGenericDecode(b *testing.B) {
-	data, err := ioutil.ReadFile("testdata/superhero.bin")
+	data, err := os.ReadFile("testdata/superhero.bin")
 	if err != nil {
 		panic(err)
 	}
diff --git a/ocf/codec.go b/ocf/codec.go
index a690c72d..2340a6dd 100644
--- a/ocf/codec.go
+++ b/ocf/codec.go
@@ -7,7 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"hash/crc32"
-	"io/ioutil"
+	"io"
 
 	"github.com/golang/snappy"
 )
@@ -67,7 +67,7 @@ type DeflateCodec struct {
 // Decode decodes the given bytes.
 func (c *DeflateCodec) Decode(b []byte) ([]byte, error) {
 	r := flate.NewReader(bytes.NewBuffer(b))
-	data, err := ioutil.ReadAll(r)
+	data, err := io.ReadAll(r)
 	if err != nil {
 		_ = r.Close()
 		return nil, err
diff --git a/protocol.go b/protocol.go
index a55230da..03a25c8c 100644
--- a/protocol.go
+++ b/protocol.go
@@ -5,7 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	jsoniter "github.com/json-iterator/go"
 	"github.com/mitchellh/mapstructure"
@@ -201,7 +201,7 @@ func (m *Message) String() string {
 
 // ParseProtocolFile parses an Avro protocol from a file.
 func ParseProtocolFile(path string) (*Protocol, error) {
-	s, err := ioutil.ReadFile(path)
+	s, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}
diff --git a/schema_parse.go b/schema_parse.go
index 3a1ba314..2d74e93b 100644
--- a/schema_parse.go
+++ b/schema_parse.go
@@ -3,8 +3,8 @@ package avro
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math"
+	"os"
 	"path/filepath"
 	"strings"
 
@@ -46,7 +46,7 @@ func MustParse(schema string) Schema {
 func ParseFiles(paths ...string) (Schema, error) {
 	var schema Schema
 	for _, path := range paths {
-		s, err := ioutil.ReadFile(filepath.Clean(path))
+		s, err := os.ReadFile(filepath.Clean(path))
 		if err != nil {
 			return nil, err
 		}