diff --git a/caddyfile/fromlabels_test.go b/caddyfile/fromlabels_test.go
index 724c60f6..fd0f3e8c 100644
--- a/caddyfile/fromlabels_test.go
+++ b/caddyfile/fromlabels_test.go
@@ -2,7 +2,7 @@ package caddyfile
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 	"testing"
@@ -13,7 +13,7 @@ import (
 
 func TestLabelsToCaddyfile(t *testing.T) {
 	// load the list of test files from the dir
-	files, err := ioutil.ReadDir("./testdata/labels")
+	files, err := os.ReadDir("./testdata/labels")
 	if err != nil {
 		t.Errorf("failed to read labels dir: %s", err)
 	}
@@ -30,7 +30,7 @@ func TestLabelsToCaddyfile(t *testing.T) {
 		filename := f.Name()
 
 		t.Run(filename, func(t *testing.T) {
-			data, err := ioutil.ReadFile("./testdata/labels/" + filename)
+			data, err := os.ReadFile("./testdata/labels/" + filename)
 			if err != nil {
 				t.Errorf("failed to read %s dir: %s", filename, err)
 			}
diff --git a/caddyfile/marshal_test.go b/caddyfile/marshal_test.go
index e90f92ae..b20ab7dc 100644
--- a/caddyfile/marshal_test.go
+++ b/caddyfile/marshal_test.go
@@ -1,7 +1,7 @@
 package caddyfile
 
 import (
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 	"testing"
@@ -14,7 +14,7 @@ func TestMarshalUnmarshal(t *testing.T) {
 	const folder = "./testdata/marshal"
 
 	// load the list of test files from the dir
-	files, err := ioutil.ReadDir(folder)
+	files, err := os.ReadDir(folder)
 	if err != nil {
 		t.Errorf("failed to read process dir: %s", err)
 	}
@@ -31,7 +31,7 @@ func TestMarshalUnmarshal(t *testing.T) {
 		filename := f.Name()
 
 		t.Run(filename, func(t *testing.T) {
-			data, err := ioutil.ReadFile(folder + "/" + filename)
+			data, err := os.ReadFile(folder + "/" + filename)
 			if err != nil {
 				t.Errorf("failed to read %s dir: %s", filename, err)
 			}
diff --git a/caddyfile/merge_test.go b/caddyfile/merge_test.go
index 00e8deda..22011eb1 100644
--- a/caddyfile/merge_test.go
+++ b/caddyfile/merge_test.go
@@ -1,7 +1,7 @@
 package caddyfile
 
 import (
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 	"testing"
@@ -14,7 +14,7 @@ func TestMerge(t *testing.T) {
 	const folder = "./testdata/merge"
 
 	// load the list of test files from the dir
-	files, err := ioutil.ReadDir(folder)
+	files, err := os.ReadDir(folder)
 	if err != nil {
 		t.Errorf("failed to read process dir: %s", err)
 	}
@@ -31,7 +31,7 @@ func TestMerge(t *testing.T) {
 		filename := f.Name()
 
 		t.Run(filename, func(t *testing.T) {
-			data, err := ioutil.ReadFile(folder + "/" + filename)
+			data, err := os.ReadFile(folder + "/" + filename)
 			if err != nil {
 				t.Errorf("failed to read %s dir: %s", filename, err)
 			}
diff --git a/caddyfile/processor_test.go b/caddyfile/processor_test.go
index a3af53e1..4cc8f71d 100644
--- a/caddyfile/processor_test.go
+++ b/caddyfile/processor_test.go
@@ -1,7 +1,7 @@
 package caddyfile
 
 import (
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 	"testing"
@@ -13,7 +13,7 @@ import (
 
 func TestProcessCaddyfile(t *testing.T) {
 	// load the list of test files from the dir
-	files, err := ioutil.ReadDir("./testdata/process")
+	files, err := os.ReadDir("./testdata/process")
 	if err != nil {
 		t.Errorf("failed to read process dir: %s", err)
 	}
@@ -30,7 +30,7 @@ func TestProcessCaddyfile(t *testing.T) {
 		filename := f.Name()
 
 		t.Run(filename, func(t *testing.T) {
-			data, err := ioutil.ReadFile("./testdata/process/" + filename)
+			data, err := os.ReadFile("./testdata/process/" + filename)
 			if err != nil {
 				t.Errorf("failed to read %s dir: %s", filename, err)
 			}
diff --git a/docker/utils.go b/docker/utils.go
index 2da76062..9559a5d2 100644
--- a/docker/utils.go
+++ b/docker/utils.go
@@ -1,7 +1,6 @@
 package docker
 
 import (
-	"io/ioutil"
 	"os"
 	"regexp"
 	"runtime"
@@ -38,7 +37,7 @@ func (wrapper *dockerUtils) GetCurrentContainerID() (string, error) {
 }
 
 func (wrapper *dockerUtils) getCurrentContainerIDFromMountInfo() (string, error) {
-	bytes, err := ioutil.ReadFile("/proc/self/mountinfo")
+	bytes, err := os.ReadFile("/proc/self/mountinfo")
 	if err != nil {
 		return "", err
 	}
@@ -47,7 +46,7 @@ func (wrapper *dockerUtils) getCurrentContainerIDFromMountInfo() (string, error)
 }
 
 func (wrapper *dockerUtils) getCurrentContainerIDFromCGroup() (string, error) {
-	bytes, err := ioutil.ReadFile("/proc/self/cgroup")
+	bytes, err := os.ReadFile("/proc/self/cgroup")
 	if err != nil {
 		return "", err
 	}
diff --git a/generator/generator.go b/generator/generator.go
index b7f9f513..40b3a287 100644
--- a/generator/generator.go
+++ b/generator/generator.go
@@ -4,8 +4,8 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net"
+	"os"
 	"regexp"
 	"time"
 
@@ -72,7 +72,7 @@ func (g *CaddyfileGenerator) GenerateCaddyfile(logger *zap.Logger) ([]byte, []st
 
 	// Add caddyfile from path
 	if g.options.CaddyfilePath != "" {
-		dat, err := ioutil.ReadFile(g.options.CaddyfilePath)
+		dat, err := os.ReadFile(g.options.CaddyfilePath)
 		if err != nil {
 			logger.Error("Failed to read Caddyfile", zap.String("path", g.options.CaddyfilePath), zap.Error(err))
 		} else {
diff --git a/generator/generator_test.go b/generator/generator_test.go
index 66749403..392e4e0b 100644
--- a/generator/generator_test.go
+++ b/generator/generator_test.go
@@ -4,7 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"testing"
 
@@ -31,7 +31,7 @@ const swarmIsDisabledLog = `INFO	Swarm is available	{"new": false}` + newLine
 const commonLogs = containerIdLog + ingressNetworksMapLog + swarmIsAvailableLog
 
 func init() {
-	log.SetOutput(ioutil.Discard)
+	log.SetOutput(io.Discard)
 }
 
 func fmtLabel(s string) string {
diff --git a/generator/labels_test.go b/generator/labels_test.go
index c22d3b23..6fe51e0a 100644
--- a/generator/labels_test.go
+++ b/generator/labels_test.go
@@ -2,7 +2,7 @@ package generator
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"regexp"
 	"strings"
 	"testing"
@@ -12,7 +12,7 @@ import (
 
 func TestLabelsToCaddyfile(t *testing.T) {
 	// load the list of test files from the dir
-	files, err := ioutil.ReadDir("./testdata/labels")
+	files, err := os.ReadDir("./testdata/labels")
 	if err != nil {
 		t.Errorf("failed to read labels dir: %s", err)
 	}
@@ -27,7 +27,7 @@ func TestLabelsToCaddyfile(t *testing.T) {
 
 		// read the test file
 		filename := f.Name()
-		data, err := ioutil.ReadFile("./testdata/labels/" + filename)
+		data, err := os.ReadFile("./testdata/labels/" + filename)
 		if err != nil {
 			t.Errorf("failed to read %s dir: %s", filename, err)
 		}
diff --git a/loader.go b/loader.go
index 5f91b7af..834b27a5 100644
--- a/loader.go
+++ b/loader.go
@@ -5,7 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"path/filepath"
 	"sync"
@@ -314,7 +314,7 @@ func (dockerLoader *DockerLoader) updateServer(wg *sync.WaitGroup, server string
 		return
 	}
 
-	bodyBytes, err := ioutil.ReadAll(resp.Body)
+	bodyBytes, err := io.ReadAll(resp.Body)
 	if err != nil {
 		log.Error("Failed to read response from", zap.String("server", server), zap.Error(err))
 		return