diff --git a/command/genesis/utils.go b/command/genesis/utils.go
index 561178615d..47f3bf81cf 100644
--- a/command/genesis/utils.go
+++ b/command/genesis/utils.go
@@ -4,7 +4,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math/big"
 	"os"
 	"path/filepath"
@@ -219,7 +218,7 @@ func GetValidatorKeyFiles(rootDir, filePrefix string) ([]string, error) {
 		rootDir = "."
 	}
 
-	files, err := ioutil.ReadDir(rootDir)
+	files, err := os.ReadDir(rootDir)
 	if err != nil {
 		return nil, err
 	}
diff --git a/e2e-polybft/framework/test-cluster.go b/e2e-polybft/framework/test-cluster.go
index cce2586b18..c4befa07f6 100644
--- a/e2e-polybft/framework/test-cluster.go
+++ b/e2e-polybft/framework/test-cluster.go
@@ -5,7 +5,6 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/big"
 	"os"
 	"os/exec"
@@ -1085,11 +1084,11 @@ func CopyDir(source, destination string) error {
 			return nil
 		}
 
-		data, err := ioutil.ReadFile(filepath.Join(source, relPath))
+		data, err := os.ReadFile(filepath.Join(source, relPath))
 		if err != nil {
 			return err
 		}
 
-		return ioutil.WriteFile(filepath.Join(destination, relPath), data, 0600)
+		return os.WriteFile(filepath.Join(destination, relPath), data, 0600)
 	})
 }
diff --git a/e2e-polybft/framework/test-server.go b/e2e-polybft/framework/test-server.go
index ff4950938e..4a424db8ef 100644
--- a/e2e-polybft/framework/test-server.go
+++ b/e2e-polybft/framework/test-server.go
@@ -3,8 +3,8 @@ package framework
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math/big"
+	"os"
 	"strconv"
 	"strings"
 	"sync/atomic"
@@ -120,7 +120,7 @@ func NewTestServer(t *testing.T, clusterConfig *TestClusterConfig,
 	}
 
 	if config.DataDir == "" {
-		dataDir, err := ioutil.TempDir("/tmp", "edge-e2e-")
+		dataDir, err := os.MkdirTemp("/tmp", "edge-e2e-")
 		require.NoError(t, err)
 
 		config.DataDir = dataDir
diff --git a/e2e/genesis_test.go b/e2e/genesis_test.go
index 5fb8fbfef5..3d0eaa3701 100644
--- a/e2e/genesis_test.go
+++ b/e2e/genesis_test.go
@@ -3,8 +3,8 @@ package e2e
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"math/big"
+	"os"
 	"path/filepath"
 	"regexp"
 	"strings"
@@ -229,7 +229,7 @@ func TestGenesis_Predeployment(t *testing.T) {
 	clt := srv.JSONRPC()
 
 	// Extract the contract ABI from the metadata test file
-	content, err := ioutil.ReadFile(artifactPath)
+	content, err := os.ReadFile(artifactPath)
 	if err != nil {
 		t.Fatalf("unable to open JSON file, %v", err)
 	}
diff --git a/tracker/event_tracker_store_test.go b/tracker/event_tracker_store_test.go
index ba70b22e91..fb97f21005 100644
--- a/tracker/event_tracker_store_test.go
+++ b/tracker/event_tracker_store_test.go
@@ -2,7 +2,6 @@ package tracker
 
 import (
 	"encoding/hex"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -19,7 +18,7 @@ func createSetupDB(subscriber eventSubscription, numBlockConfirmations uint64) s
 	return func(t *testing.T) (store.Store, func()) {
 		t.Helper()
 
-		dir, err := ioutil.TempDir("/tmp", "boltdb-test")
+		dir, err := os.MkdirTemp("/tmp", "boltdb-test")
 		require.NoError(t, err)
 
 		path := filepath.Join(dir, "test.db")