diff --git a/.gitignore b/.gitignore
index d5cc500..c99a30f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@
 test/
 GoReSym
 Dockerfile.test
+.idea
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
diff --git a/main.go b/main.go
index 8ed1039..f98b360 100644
--- a/main.go
+++ b/main.go
@@ -7,7 +7,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
@@ -105,7 +104,7 @@ func main_impl(fileName string, printStdPkgs bool, printFilePaths bool, printTyp
 			extractMetadata.Arch = file.GOARCH()
 		}
 
-		fileData, fileDataErr := ioutil.ReadFile(fileName)
+		fileData, fileDataErr := os.ReadFile(fileName)
 		if fileDataErr == nil {
 
 			// GOVERSION
diff --git a/objfile/disasm.go b/objfile/disasm.go
index c6409c7..3afaece 100644
--- a/objfile/disasm.go
+++ b/objfile/disasm.go
@@ -13,7 +13,6 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -160,7 +159,7 @@ func (fc *FileCache) Line(filename string, line int) ([]byte, error) {
 	}
 
 	if e == nil {
-		content, err := ioutil.ReadFile(filename)
+		content, err := os.ReadFile(filename)
 		if err != nil {
 			return nil, err
 		}