diff --git a/cli/command/stack/deploy_test.go b/cli/command/stack/deploy_test.go
index 0bffba383a..86215bdc32 100644
--- a/cli/command/stack/deploy_test.go
+++ b/cli/command/stack/deploy_test.go
@@ -1,7 +1,7 @@
 package stack
 
 import (
-	"io/ioutil"
+	"io"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
@@ -11,7 +11,7 @@ import (
 func TestDeployWithEmptyName(t *testing.T) {
 	cmd := newDeployCommand(test.NewFakeCli(&fakeClient{}))
 	cmd.SetArgs([]string{"'   '"})
-	cmd.SetOut(ioutil.Discard)
+	cmd.SetOut(io.Discard)
 
 	assert.ErrorContains(t, cmd.Execute(), `invalid stack name: "'   '"`)
 }
diff --git a/cli/command/stack/list_test.go b/cli/command/stack/list_test.go
index 371d1e6255..a78558d811 100644
--- a/cli/command/stack/list_test.go
+++ b/cli/command/stack/list_test.go
@@ -1,7 +1,7 @@
 package stack
 
 import (
-	"io/ioutil"
+	"io"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
@@ -49,7 +49,7 @@ func TestListErrors(t *testing.T) {
 			serviceListFunc: tc.serviceListFunc,
 		}))
 		cmd.SetArgs(tc.args)
-		cmd.SetOut(ioutil.Discard)
+		cmd.SetOut(io.Discard)
 		for key, value := range tc.flags {
 			cmd.Flags().Set(key, value)
 		}
diff --git a/cli/command/stack/loader/loader.go b/cli/command/stack/loader/loader.go
index c4333965fa..210803ceec 100644
--- a/cli/command/stack/loader/loader.go
+++ b/cli/command/stack/loader/loader.go
@@ -3,7 +3,6 @@ package loader
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -132,9 +131,9 @@ func loadConfigFile(filename string, stdin io.Reader) (*composetypes.ConfigFile,
 	var err error
 
 	if filename == "-" {
-		bytes, err = ioutil.ReadAll(stdin)
+		bytes, err = io.ReadAll(stdin)
 	} else {
-		bytes, err = ioutil.ReadFile(filename)
+		bytes, err = os.ReadFile(filename)
 	}
 	if err != nil {
 		return nil, err
diff --git a/cli/command/stack/ps_test.go b/cli/command/stack/ps_test.go
index 9e62dcc5e5..8d44dbdb00 100644
--- a/cli/command/stack/ps_test.go
+++ b/cli/command/stack/ps_test.go
@@ -1,7 +1,7 @@
 package stack
 
 import (
-	"io/ioutil"
+	"io"
 	"testing"
 	"time"
 
@@ -45,7 +45,7 @@ func TestStackPsErrors(t *testing.T) {
 			taskListFunc: tc.taskListFunc,
 		}))
 		cmd.SetArgs(tc.args)
-		cmd.SetOut(ioutil.Discard)
+		cmd.SetOut(io.Discard)
 		assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
 	}
 }
@@ -169,7 +169,7 @@ func TestStackPs(t *testing.T) {
 			for key, value := range tc.flags {
 				cmd.Flags().Set(key, value)
 			}
-			cmd.SetOut(ioutil.Discard)
+			cmd.SetOut(io.Discard)
 
 			if tc.expectedErr != "" {
 				assert.Error(t, cmd.Execute(), tc.expectedErr)
diff --git a/cli/command/stack/remove_test.go b/cli/command/stack/remove_test.go
index 96bf38530f..7b56ccc6b3 100644
--- a/cli/command/stack/remove_test.go
+++ b/cli/command/stack/remove_test.go
@@ -2,7 +2,7 @@ package stack
 
 import (
 	"errors"
-	"io/ioutil"
+	"io"
 	"strings"
 	"testing"
 
@@ -44,7 +44,7 @@ func fakeClientForRemoveStackTest(version string) *fakeClient {
 func TestRemoveWithEmptyName(t *testing.T) {
 	cmd := newRemoveCommand(test.NewFakeCli(&fakeClient{}))
 	cmd.SetArgs([]string{"good", "'   '", "alsogood"})
-	cmd.SetOut(ioutil.Discard)
+	cmd.SetOut(io.Discard)
 
 	assert.ErrorContains(t, cmd.Execute(), `invalid stack name: "'   '"`)
 }
@@ -155,7 +155,7 @@ func TestRemoveContinueAfterError(t *testing.T) {
 		},
 	}
 	cmd := newRemoveCommand(test.NewFakeCli(cli))
-	cmd.SetOut(ioutil.Discard)
+	cmd.SetOut(io.Discard)
 	cmd.SetArgs([]string{"foo", "bar"})
 
 	assert.Error(t, cmd.Execute(), "Failed to remove some resources from stack: foo")
diff --git a/cli/command/stack/services_test.go b/cli/command/stack/services_test.go
index e5467591e7..e38c1b9534 100644
--- a/cli/command/stack/services_test.go
+++ b/cli/command/stack/services_test.go
@@ -1,7 +1,7 @@
 package stack
 
 import (
-	"io/ioutil"
+	"io"
 	"testing"
 
 	"github.com/docker/cli/cli/config/configfile"
@@ -79,7 +79,7 @@ func TestStackServicesErrors(t *testing.T) {
 			for key, value := range tc.flags {
 				cmd.Flags().Set(key, value)
 			}
-			cmd.SetOut(ioutil.Discard)
+			cmd.SetOut(io.Discard)
 			assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
 		})
 	}
@@ -88,7 +88,7 @@ func TestStackServicesErrors(t *testing.T) {
 func TestRunServicesWithEmptyName(t *testing.T) {
 	cmd := newServicesCommand(test.NewFakeCli(&fakeClient{}))
 	cmd.SetArgs([]string{"'   '"})
-	cmd.SetOut(ioutil.Discard)
+	cmd.SetOut(io.Discard)
 
 	assert.ErrorContains(t, cmd.Execute(), `invalid stack name: "'   '"`)
 }