diff --git a/api/agent.go b/api/agent.go
index 742895806..61102e563 100644
--- a/api/agent.go
+++ b/api/agent.go
@@ -3,7 +3,7 @@ package api
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/url"
 	"strconv"
 )
@@ -399,7 +399,7 @@ func (a *Agent) pprofRequest(req string, opts PprofOptions, q *QueryOptions) ([]
 		return nil, err
 	}
 
-	resp, err := ioutil.ReadAll(body)
+	resp, err := io.ReadAll(body)
 	if err != nil {
 		return nil, err
 	}
diff --git a/api/fs.go b/api/fs.go
index 91baca3aa..0622aa708 100644
--- a/api/fs.go
+++ b/api/fs.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"strconv"
 	"sync"
@@ -291,7 +290,7 @@ func (a *AllocFS) Logs(alloc *Allocation, follow bool, task, logType, origin str
 				if err == io.EOF || err == io.ErrClosedPipe {
 					close(frames)
 				} else {
-					buf, err2 := ioutil.ReadAll(dec.Buffered())
+					buf, err2 := io.ReadAll(dec.Buffered())
 					if err2 != nil {
 						errCh <- fmt.Errorf("failed to decode and failed to read buffered data: %w", multierror.Append(err, err2))
 					} else {
diff --git a/api/ioutil_test.go b/api/ioutil_test.go
index 0565bb140..c93e3e316 100644
--- a/api/ioutil_test.go
+++ b/api/ioutil_test.go
@@ -8,7 +8,6 @@ import (
 	"errors"
 	"hash"
 	"io"
-	"io/ioutil"
 	"math/rand"
 	"testing"
 	"testing/iotest"
@@ -41,10 +40,10 @@ func TestChecksumValidatingReader(t *testing.T) {
 			digest := c.algo + "=" + base64.StdEncoding.EncodeToString(checksum)
 
 			r := iotest.HalfReader(bytes.NewReader(data))
-			cr, err := newChecksumValidatingReader(ioutil.NopCloser(r), digest)
+			cr, err := newChecksumValidatingReader(io.NopCloser(r), digest)
 			must.NoError(t, err)
 
-			_, err = io.Copy(ioutil.Discard, cr)
+			_, err = io.Copy(io.Discard, cr)
 			must.NoError(t, err)
 		})
 
@@ -58,10 +57,10 @@ func TestChecksumValidatingReader(t *testing.T) {
 			digest := c.algo + "=" + base64.StdEncoding.EncodeToString(checksum)
 
 			r := iotest.HalfReader(bytes.NewReader(data))
-			cr, err := newChecksumValidatingReader(ioutil.NopCloser(r), digest)
+			cr, err := newChecksumValidatingReader(io.NopCloser(r), digest)
 			must.NoError(t, err)
 
-			_, err = io.Copy(ioutil.Discard, cr)
+			_, err = io.Copy(io.Discard, cr)
 			must.ErrorIs(t, err, errMismatchChecksum)
 		})
 	}
@@ -84,6 +83,6 @@ func TestChecksumValidatingReader_PropagatesError(t *testing.T) {
 	cr, err := newChecksumValidatingReader(pr, "sha-256=aaaa")
 	must.NoError(t, err)
 
-	_, err = io.Copy(ioutil.Discard, cr)
+	_, err = io.Copy(io.Discard, cr)
 	must.ErrorIs(t, err, expectedErr)
 }
diff --git a/api/operator.go b/api/operator.go
index 13d7d3439..579afc3f5 100644
--- a/api/operator.go
+++ b/api/operator.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"strconv"
 	"strings"
 	"time"
@@ -229,7 +228,7 @@ func (op *Operator) Snapshot(q *QueryOptions) (io.ReadCloser, error) {
 
 	cr, err := newChecksumValidatingReader(resp.Body, digest)
 	if err != nil {
-		io.Copy(ioutil.Discard, resp.Body)
+		io.Copy(io.Discard, resp.Body)
 		resp.Body.Close()
 
 		return nil, err
diff --git a/api/operator_metrics.go b/api/operator_metrics.go
index e64198194..b5577a547 100644
--- a/api/operator_metrics.go
+++ b/api/operator_metrics.go
@@ -1,7 +1,7 @@
 package api
 
 import (
-	"io/ioutil"
+	"io"
 	"time"
 )
 
@@ -67,7 +67,7 @@ func (op *Operator) Metrics(q *QueryOptions) ([]byte, error) {
 		return nil, err
 	}
 
-	metricsBytes, err := ioutil.ReadAll(metricsReader)
+	metricsBytes, err := io.ReadAll(metricsReader)
 	if err != nil {
 		return nil, err
 	}
diff --git a/plugins/drivers/testutils/exec_testing.go b/plugins/drivers/testutils/exec_testing.go
index c51099afd..68f1078d8 100644
--- a/plugins/drivers/testutils/exec_testing.go
+++ b/plugins/drivers/testutils/exec_testing.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"reflect"
 	"regexp"
@@ -176,7 +175,7 @@ func TestExecFSIsolation(t *testing.T, driver *DriverHarness, taskID string) {
 		t.Logf("created file in task: %v", tempfile)
 
 		// read from host
-		b, err := ioutil.ReadFile(tempfile)
+		b, err := os.ReadFile(tempfile)
 		if !isolated {
 			require.NoError(t, err)
 			require.Equal(t, text, strings.TrimSpace(string(b)))
diff --git a/plugins/drivers/testutils/testing.go b/plugins/drivers/testutils/testing.go
index d568db148..89ff1496d 100644
--- a/plugins/drivers/testutils/testing.go
+++ b/plugins/drivers/testutils/testing.go
@@ -3,7 +3,6 @@ package testutils
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -116,7 +115,7 @@ func (h *DriverHarness) cleanupCgroup() {
 // A cleanup func is returned and should be deferred so as to not leak dirs
 // between tests.
 func (h *DriverHarness) MkAllocDir(t *drivers.TaskConfig, enableLogs bool) func() {
-	dir, err := ioutil.TempDir("", "nomad_driver_harness-")
+	dir, err := os.MkdirTemp("", "nomad_driver_harness-")
 	require.NoError(h.t, err)
 
 	allocDir := allocdir.NewAllocDir(h.logger, dir, t.AllocID)
diff --git a/plugins/shared/cmd/launcher/command/device.go b/plugins/shared/cmd/launcher/command/device.go
index b2c9a9fa6..b93a844ca 100644
--- a/plugins/shared/cmd/launcher/command/device.go
+++ b/plugins/shared/cmd/launcher/command/device.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"strings"
@@ -95,7 +94,7 @@ func (c *Device) Run(args []string) int {
 	var config []byte
 	if numArgs == 2 {
 		var err error
-		config, err = ioutil.ReadFile(args[1])
+		config, err = os.ReadFile(args[1])
 		if err != nil {
 			c.logger.Error("failed to read config file", "error", err)
 			return 1