diff --git a/deploy/install_test.go b/deploy/install_test.go
index e851da57..3cfef85c 100644
--- a/deploy/install_test.go
+++ b/deploy/install_test.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -806,7 +805,7 @@ func TestDeployProcess_InstallK3s(t *testing.T) {
 		osOpenFile = func(name string, _ int, _ os.FileMode) (*os.File, error) {
 			var err error
 			// openedFile, err = os.Create(filepath.Join(os.TempDir(), filepath.Base(name)))
-			openedFile, err = ioutil.TempFile(os.TempDir(), "")
+			openedFile, err = os.CreateTemp(os.TempDir(), "")
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -873,7 +872,7 @@ func TestDeployProcess_InstallK3s(t *testing.T) {
 		osOpenFile = func(_ string, _ int, _ os.FileMode) (*os.File, error) {
 			var err error
 			// openedFile, err = os.Create(filepath.Join(os.TempDir(), filepath.Base(name)))
-			openedFile, err = ioutil.TempFile(os.TempDir(), "")
+			openedFile, err = os.CreateTemp(os.TempDir(), "")
 			if err != nil {
 				t.Fatal(err)
 			}
diff --git a/internal/powerflex/token_getter_test.go b/internal/powerflex/token_getter_test.go
index d31fad67..e7145f25 100644
--- a/internal/powerflex/token_getter_test.go
+++ b/internal/powerflex/token_getter_test.go
@@ -17,10 +17,10 @@ package powerflex_test
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"karavi-authorization/internal/powerflex"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"testing"
 	"time"
 
@@ -32,7 +32,7 @@ import (
 func TestLogin_GetToken(t *testing.T) {
 	t.Run("success getting a token", func(t *testing.T) {
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}
@@ -99,7 +99,7 @@ func TestLogin_GetToken(t *testing.T) {
 
 	t.Run("success getting a token during refresh", func(t *testing.T) {
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}
@@ -182,7 +182,7 @@ func TestLogin_GetToken(t *testing.T) {
 
 	t.Run("timeout getting a token during refresh", func(t *testing.T) {
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}
diff --git a/internal/tenantsvc/service_test.go b/internal/tenantsvc/service_test.go
index eb7ff49b..76d5ff5c 100644
--- a/internal/tenantsvc/service_test.go
+++ b/internal/tenantsvc/service_test.go
@@ -18,7 +18,6 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
-	"io/ioutil"
 	"karavi-authorization/internal/tenantsvc"
 	"karavi-authorization/internal/token/jwx"
 	"karavi-authorization/pb"
@@ -394,7 +393,7 @@ func testGenerateToken(sut *tenantsvc.TenantService, _ *redis.Client, afterFn Af
 func testRefreshToken(sut *tenantsvc.TenantService, _ *redis.Client, afterFn AfterFunc) func(*testing.T) {
 	return func(t *testing.T) {
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}
diff --git a/internal/web/middleware_test.go b/internal/web/middleware_test.go
index 31557258..32cbec0b 100644
--- a/internal/web/middleware_test.go
+++ b/internal/web/middleware_test.go
@@ -17,12 +17,12 @@ package web_test
 import (
 	"context"
 	"errors"
-	"io/ioutil"
 	"karavi-authorization/internal/token/jwx"
 	"karavi-authorization/internal/web"
 	"karavi-authorization/pb"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"testing"
 
 	"github.com/sirupsen/logrus"
@@ -122,7 +122,7 @@ func TestAuthMW(t *testing.T) {
 
 		// test token
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}
@@ -149,7 +149,7 @@ func TestAuthMW(t *testing.T) {
 
 		// test token
 		tokens := make(map[string]interface{})
-		credFile, err := ioutil.ReadFile("../../tokens.yaml")
+		credFile, err := os.ReadFile("../../tokens.yaml")
 		if err != nil {
 			t.Errorf("unable to read token: %v", err)
 		}