diff --git a/.changelog/1116.txt b/.changelog/1116.txt
new file mode 100644
index 00000000000..9e77f423676
--- /dev/null
+++ b/.changelog/1116.txt
@@ -0,0 +1,3 @@
+```release-note:dependency
+deps: `ioutil` package is being deprecated in favor of `io`
+```
\ No newline at end of file
diff --git a/accounts_test.go b/accounts_test.go
index 53455372a4b..bbd0adfb6c1 100644
--- a/accounts_test.go
+++ b/accounts_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -109,7 +109,7 @@ func TestUpdateAccount(t *testing.T) {
 
 	mux.HandleFunc("/accounts/01a7362d577a6c3019a474fd6f485823", func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 
 		if assert.NoError(t, err) {
diff --git a/cloudflare.go b/cloudflare.go
index 9219f723993..952382864b9 100644
--- a/cloudflare.go
+++ b/cloudflare.go
@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"math"
 	"net/http"
@@ -57,7 +56,7 @@ type API struct {
 
 // newClient provides shared logic for New and NewWithUserServiceKey.
 func newClient(opts ...Option) (*API, error) {
-	silentLogger := log.New(ioutil.Discard, "", log.LstdFlags)
+	silentLogger := log.New(io.Discard, "", log.LstdFlags)
 
 	api := &API{
 		BaseURL:     fmt.Sprintf("%s://%s%s", defaultScheme, defaultHostname, defaultBasePath),
@@ -255,8 +254,8 @@ func (api *API) makeRequestWithAuthTypeAndHeadersComplete(ctx context.Context, m
 			if method == http.MethodPost || method == http.MethodPut || method == http.MethodPatch {
 				buf := &bytes.Buffer{}
 				tee := io.TeeReader(reqBody, buf)
-				debugBody, _ := ioutil.ReadAll(tee)
-				payloadBody, _ := ioutil.ReadAll(buf)
+				debugBody, _ := io.ReadAll(tee)
+				payloadBody, _ := io.ReadAll(buf)
 				fmt.Printf("cloudflare-go [DEBUG] REQUEST Method:%v URI:%s Headers:%#v Body:%v\n", method, api.BaseURL+uri, headers, string(debugBody))
 				// ensure we recreate the io.Reader for use
 				reqBody = bytes.NewReader(payloadBody)
@@ -282,7 +281,7 @@ func (api *API) makeRequestWithAuthTypeAndHeadersComplete(ctx context.Context, m
 			// if we got a valid http response, try to read body so we can reuse the connection
 			// see https://golang.org/pkg/net/http/#Client.Do
 			if respErr == nil {
-				respBody, err = ioutil.ReadAll(resp.Body)
+				respBody, err = io.ReadAll(resp.Body)
 				resp.Body.Close()
 
 				respErr = fmt.Errorf("could not read response body: %w", err)
@@ -294,7 +293,7 @@ func (api *API) makeRequestWithAuthTypeAndHeadersComplete(ctx context.Context, m
 			}
 			continue
 		} else {
-			respBody, err = ioutil.ReadAll(resp.Body)
+			respBody, err = io.ReadAll(resp.Body)
 			defer resp.Body.Close()
 			if err != nil {
 				return nil, fmt.Errorf("could not read response body: %w", err)
diff --git a/cloudflare_experimental.go b/cloudflare_experimental.go
index 95fdfefc72e..009d3e12493 100644
--- a/cloudflare_experimental.go
+++ b/cloudflare_experimental.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strings"
@@ -228,8 +227,8 @@ func (c *Client) makeRequest(ctx context.Context, method, uri string, params int
 	if method == http.MethodPost || method == http.MethodPut || method == http.MethodPatch {
 		buf := &bytes.Buffer{}
 		tee := io.TeeReader(reqBody, buf)
-		debugBody, _ := ioutil.ReadAll(tee)
-		payloadBody, _ := ioutil.ReadAll(buf)
+		debugBody, _ := io.ReadAll(tee)
+		payloadBody, _ := io.ReadAll(buf)
 		c.Logger.Debugf("REQUEST Method:%v URI:%s Headers:%#v Body:%v\n", method, c.BaseURL.String()+uri, headers, string(debugBody))
 		// ensure we recreate the io.Reader for use
 		reqBody = bytes.NewReader(payloadBody)
@@ -244,7 +243,7 @@ func (c *Client) makeRequest(ctx context.Context, method, uri string, params int
 
 	c.Logger.Debugf("RESPONSE URI:%s StatusCode:%d Body:%#v RayID:%s\n", c.BaseURL.String()+uri, resp.StatusCode, string(respBody), resp.Header.Get("cf-ray"))
 
-	respBody, err = ioutil.ReadAll(resp.Body)
+	respBody, err = io.ReadAll(resp.Body)
 	resp.Body.Close()
 	if err != nil {
 		return nil, fmt.Errorf("could not read response body: %w", err)
diff --git a/custom_hostname_test.go b/custom_hostname_test.go
index c088a550d80..c38bbbee347 100644
--- a/custom_hostname_test.go
+++ b/custom_hostname_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -706,7 +706,7 @@ func TestCustomHostname_UpdateCustomHostname(t *testing.T) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
 
 		defer r.Body.Close()
-		reqBody, err := ioutil.ReadAll(r.Body)
+		reqBody, err := io.ReadAll(r.Body)
 		assert.NoError(t, err, "Reading request body")
 		assert.JSONEq(t, `
 {
@@ -786,7 +786,7 @@ func TestCustomHostname_UpdateCustomHostnameWithCustomMetadata(t *testing.T) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
 
 		defer r.Body.Close()
-		reqBody, err := ioutil.ReadAll(r.Body)
+		reqBody, err := io.ReadAll(r.Body)
 		assert.NoError(t, err, "Reading request body")
 		assert.JSONEq(t, `
 {
@@ -875,7 +875,7 @@ func TestCustomHostname_UpdateCustomHostnameWithEmptyCustomMetadata(t *testing.T
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
 
 		defer r.Body.Close()
-		reqBody, err := ioutil.ReadAll(r.Body)
+		reqBody, err := io.ReadAll(r.Body)
 		assert.NoError(t, err, "Reading request body")
 		assert.JSONEq(t, `
 {
diff --git a/images_test.go b/images_test.go
index f2e23bfc284..25ad505d97e 100644
--- a/images_test.go
+++ b/images_test.go
@@ -5,7 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strings"
 	"testing"
@@ -363,7 +363,7 @@ func parseImageMultipartUpload(r *http.Request) (imageMultipartUpload, error) {
 	}
 	defer f.Close()
 
-	u.File, err = ioutil.ReadAll(f)
+	u.File, err = io.ReadAll(f)
 	if err != nil {
 		return u, err
 	}
@@ -388,7 +388,7 @@ func getImageFormValue(r *http.Request, key string) ([]byte, error) {
 		if err != nil {
 			return nil, err
 		}
-		return ioutil.ReadAll(file)
+		return io.ReadAll(file)
 	}
 
 	return nil, fmt.Errorf("no value found for key %v", key)
diff --git a/ips.go b/ips.go
index f6e4add3da5..85d1c5bbd0b 100644
--- a/ips.go
+++ b/ips.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strings"
 )
@@ -41,7 +41,7 @@ func IPs() (IPRanges, error) {
 		return IPRanges{}, fmt.Errorf("HTTP request failed: %w", err)
 	}
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return IPRanges{}, fmt.Errorf("Response body could not be read: %w", err)
 	}
diff --git a/load_balancing_test.go b/load_balancing_test.go
index 9413c6517d0..cef7d1b5db5 100644
--- a/load_balancing_test.go
+++ b/load_balancing_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -18,7 +18,7 @@ func TestCreateLoadBalancerPool(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
@@ -397,7 +397,7 @@ func TestUpdateLoadBalancerPool(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
@@ -539,7 +539,7 @@ func TestCreateLoadBalancerMonitor(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
@@ -862,7 +862,7 @@ func TestUpdateLoadBalancerMonitor(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
@@ -988,7 +988,7 @@ func TestCreateLoadBalancer(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
@@ -1712,7 +1712,7 @@ func TestUpdateLoadBalancer(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{
diff --git a/logpush_test.go b/logpush_test.go
index 7f1f297a6b1..dea1e82deb3 100644
--- a/logpush_test.go
+++ b/logpush_test.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"net/http"
 	"strconv"
@@ -246,7 +246,7 @@ func TestCreateLogpushJob(t *testing.T) {
 
 			handler := func(w http.ResponseWriter, r *http.Request) {
 				assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
-				b, err := ioutil.ReadAll(r.Body)
+				b, err := io.ReadAll(r.Body)
 				defer r.Body.Close()
 
 				if assert.NoError(t, err) {
diff --git a/origin_ca.go b/origin_ca.go
index 7e83a3e6a1e..22c62d975f5 100644
--- a/origin_ca.go
+++ b/origin_ca.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"time"
@@ -226,7 +226,7 @@ func OriginCARootCertificate(algorithm string) ([]byte, error) {
 		return nil, errors.New(errRequestNotSuccessful)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, fmt.Errorf("Response body could not be read: %w", err)
 	}
diff --git a/railgun_test.go b/railgun_test.go
index b5589003251..e80c146c853 100644
--- a/railgun_test.go
+++ b/railgun_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -18,7 +18,7 @@ func TestCreateRailgun(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
 		w.Header().Set("content-type", "application/json")
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"name":"My Railgun"}`, string(b))
@@ -254,7 +254,7 @@ func TestEnableRailgun(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"enabled":true}`, string(b))
@@ -315,7 +315,7 @@ func TestDisableRailgun(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"enabled":false}`, string(b))
@@ -543,7 +543,7 @@ func TestConnectRailgun(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"connected":true}`, string(b))
@@ -585,7 +585,7 @@ func TestDisconnectRailgun(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"connected":false}`, string(b))
diff --git a/ssl_test.go b/ssl_test.go
index fe1c628e160..78dd51022fc 100644
--- a/ssl_test.go
+++ b/ssl_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -17,7 +17,7 @@ func TestCreateSSL(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPost, r.Method, "Expected method 'POST', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 
 		if assert.NoError(t, err) {
@@ -220,7 +220,7 @@ func TestUpdateSSL(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"certificate":"-----BEGIN CERTIFICATE----- MIIDtTCCAp2gAwIBAgIJAM15n7fdxhRtMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV BAYTAlVTMRMwEQYDVQQIEwpTb21lLVN0YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBX aWRnaXRzIFB0eSBMdGQwHhcNMTQwMzExMTkyMTU5WhcNMTQwNDEwMTkyMTU5WjBF MQswCQYDVQQGEwJVUzETMBEGA1UECBMKU29tZS1TdGF0ZTEhMB8GA1UEChMYSW50 ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAvq3sKsHpeduJHimOK+fvQdKsI8z8A05MZyyLp2/R/GE8FjNv+hkVY1WQ LIyTNNQH7CJecE1nbTfo8Y56S7x/rhxC6/DJ8MIulapFPnorq46KU6yRxiM0MQ3N nTJHlHA2ozZta6YBBfVfhHWl1F0IfNbXCLKvGwWWMbCx43OfW6KTkbRnE6gFWKuO fSO5h2u5TaWVuSIzBvYs7Vza6m+gtYAvKAJV2nSZ+eSEFPDo29corOy8+huEOUL8 5FAw4BFPsr1TlrlGPFitduQUHGrSL7skk1ESGza0to3bOtrodKei2s9bk5MXm7lZ qI+WZJX4Zu9+mzZhc9pCVi8r/qlXuQIDAQABo4GnMIGkMB0GA1UdDgQWBBRvavf+ sWM4IwKiH9X9w1vl6nUVRDB1BgNVHSMEbjBsgBRvavf+sWM4IwKiH9X9w1vl6nUV RKFJpEcwRTELMAkGA1UEBhMCVVMxEzARBgNVBAgTClNvbWUtU3RhdGUxITAfBgNV BAoTGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZIIJAM15n7fdxhRtMAwGA1UdEwQF MAMBAf8wDQYJKoZIhvcNAQEFBQADggEBABY2ZzBaW0dMsAAT7tPJzrVWVzQx6KU4 UEBLudIlWPlkAwTnINCWR/8eNjCCmGA4heUdHmazdpPa8RzwOmc0NT1NQqzSyktt vTqb4iHD7+8f9MqJ9/FssCfTtqr/Qst/hGH4Wmdf1EJ/6FqYAAb5iRlPgshFZxU8 uXtA8hWn6fK6eISD9HBdcAFToUvKNZ1BIDPvh9f95Ine8ar6yGd56TUNrHR8eHBs ESxz5ddVR/oWRysNJ+aGAyYqHS8S/ttmC7r4XCAHqXptkHPCGRqkAhsterYhd4I8 /cBzejUobNCjjHFbtkAL/SjxZOLW+pNkZwfeYdM8iPkD54Uua1v2tdw= -----END CERTIFICATE-----","geo_restrictions":{"label":"us"},"private_key":"-----BEGIN RSA PRIVATE KEY-----MIIEowIBAAKCAQEAl 1cSc0vfcJLI4ZdWjiZZqy86Eof4czCwilyjXdvHqbdgDjz9H6K/0FX78EzVdfyExESptPCDl5YYjvcZyAWlgNfYEpFpGeoh/pTFW3hlyKImh4EgBXbDrR251J Ew2Nf56X3duibI6X20gKZA6cvdmWeKh MOOXuh1bSPU3dkb4YOF/fng5iGrx0q3txdMQXTPMZ1uXHFcBH7idgViYesXUBhdll3GP1N Y8laq0yrqh 8HMsZK m27MebqonbNmjOqE218lVEvjCdRO6xvNXrO6vNJBoGn2eGwZ8BVd0mTA3Tj43/2cmxQFY9FLq56cCXqYI1fbRRib ZLrjSNkwIDAQABAoIBABfAjjsjjxc0NxcYvKOMUb9Rpj8Sx6U/o/tDC5u XmsGX37aaJmC5yw9BQiAxgvXtQryEl5uoNoqOdsxzKV6yM0vPcwKEJVBd4G6yx6AjVJZnc2qf72erR7BbA2CQh scMDRBKE041HhgTBRNP6roim0SOgYP5JZIrGAQXNIkyE0fZc5gZNUt388ne/mjWM6Xi08BDGurLC68nsdt7Nd UYqeBVxo2EqChp5vKYZYEcG8h9XBj4u4NIwg1Mty2JqX30uBjoHvF5w/pMs8lG uvj6JR9I 19wtCuccbAJl 4cUq03UQoIDmwejea oC8A8WJr3vVpODDWrvAsjllGPBECgYEAyQRa6edYO6bsSvgbM13qXW9OQTn9YmgzfN24Ux1D66TQU6sBSLdfSHshDhTCi Ax 698aJNRWujAakA2DDgspSx98aRnHbF zvY7i7iWGesN6uN0zL 6/MK5uWoieGZRjgk230fLk00l4/FK1mJIp0apr0Lis9xmDjP5AaUPTUUCgYEAwXuhTHZWPT6v8YwOksjbuK UDkIIvyMux53kb73vrkgMboS4DB1zMLNyG 9EghS414CFROUwGl4ZUKboH1Jo5G34y8VgDuHjirTqL2H6 zNpML iMrWCXjpFKkxwPbeQnEAZ 5Rud4d PTyXAt71blZHE9tZ4KHy8cU1iKc9APcCgYAIqKZd4vg7AZK2G//X85iv06aUSrIudfyZyVcyRVVyphPPNtOEVVnGXn9rAtvqeIrOo52BR68 cj4vlXp hkDuEH QVBuY/NdQhOzFtPrKPQTJdGjIlQ2x65Vidj7r3sRukNkLPyV2v D885zcpTkp83JFuWTYiIrg275DIuAI3QKBgAglM0IrzS g3vlVQxvM1ussgRgkkYeybHq82 wUW 3DXLqeXb0s1DedplUkuoabZriz0Wh4GZFSmtA5ZpZC uV697lkYsndmp2xRhaekllW7bu pY5q88URwO2p8CO5AZ6CWFWuBwSDML5VOapGRqDRgwaD oGpb7fb7IgHOls7AoGBAJnL6Q8t35uYJ8J8hY7wso88IE04z6VaT8WganxcndesWER9eFQDHDDy//ZYeyt6M41uIY CL Vkm9Kwl/bHLJKdnOE1a9NdE6mtfah0Bk2u/YOuzyu5mmcgZiX X/OZuEbGmmbZOR1FCuIyrNYfwYohhcZP7/r0Ia/1GpkHc3Bi-----END RSA PRIVATE KEY-----","bundle_method":"ubiquitous"}`, string(b))
@@ -294,7 +294,7 @@ func TestReprioritizeSSL(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"certificates":[{"ID":"5a7805061c76ada191ed06f989cc3dac","priority":2},{"ID":"9a7806061c88ada191ed06f989cc3dac","priority":1}]}`, string(b))
diff --git a/sts.go b/sts.go
index b06456512da..94b5666ecbe 100644
--- a/sts.go
+++ b/sts.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 
 	"github.com/hashicorp/go-retryablehttp"
@@ -80,7 +80,7 @@ func fetchSTSCredentials(stsConfig *SecurityTokenConfiguration) (string, error)
 	}
 
 	var respBody []byte
-	respBody, err = ioutil.ReadAll(resp.Body)
+	respBody, err = io.ReadAll(resp.Body)
 	if err != nil {
 		return "", fmt.Errorf("failed to read response body: %w", err)
 	}
diff --git a/tunnel_routes_test.go b/tunnel_routes_test.go
index 81ab39e2de7..b9583bd115d 100644
--- a/tunnel_routes_test.go
+++ b/tunnel_routes_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -150,7 +150,7 @@ func TestUpdateTunnelRoute(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		_, err := ioutil.ReadAll(r.Body)
+		_, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
diff --git a/tunnel_virtual_networks_test.go b/tunnel_virtual_networks_test.go
index 91818aa4e4e..2e6affdd23a 100644
--- a/tunnel_virtual_networks_test.go
+++ b/tunnel_virtual_networks_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -108,7 +108,7 @@ func TestUpdateTunnelVirtualNetwork(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		_, err := ioutil.ReadAll(r.Body)
+		_, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
diff --git a/universal_ssl_test.go b/universal_ssl_test.go
index 6c6c475b4dc..3b2e16922c3 100644
--- a/universal_ssl_test.go
+++ b/universal_ssl_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 
@@ -45,7 +45,7 @@ func TestEditUniversalSSLSetting(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
@@ -131,7 +131,7 @@ func TestUpdateSSLCertificatePackValidationMethod(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
diff --git a/url_normalization_settings_test.go b/url_normalization_settings_test.go
index 0ad7f67a4b8..6a6ac11167e 100644
--- a/url_normalization_settings_test.go
+++ b/url_normalization_settings_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 
@@ -47,7 +47,7 @@ func TestUpdateURLNormalizationSettings(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPut, r.Method, "Expected method 'PUT', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
diff --git a/user_test.go b/user_test.go
index 661c9843f64..d3d70903d86 100644
--- a/user_test.go
+++ b/user_test.go
@@ -3,12 +3,11 @@ package cloudflare
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/http"
 	"testing"
 	"time"
 
-	"io/ioutil"
-
 	"github.com/stretchr/testify/assert"
 )
 
@@ -72,7 +71,7 @@ func TestUser_UpdateUser(t *testing.T) {
 
 	mux.HandleFunc("/user", func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 		if assert.NoError(t, err) {
 			assert.JSONEq(t, `{"country":"US","first_name":"John","username":"cfuser12345","email":"user@example.com",
diff --git a/waf_test.go b/waf_test.go
index 88cec476024..63bc2b034a3 100644
--- a/waf_test.go
+++ b/waf_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -197,7 +197,7 @@ func TestUpdateWAFPackage(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
@@ -448,7 +448,7 @@ func TestUpdateWAFGroup(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
@@ -732,7 +732,7 @@ func TestUpdateWAFRule(t *testing.T) {
 
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		if err != nil {
 			panic(err)
 		}
diff --git a/workers.go b/workers.go
index dc1b13372e2..3b37de90d1a 100644
--- a/workers.go
+++ b/workers.go
@@ -8,7 +8,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"mime"
 	"mime/multipart"
 	"net/http"
@@ -449,7 +448,7 @@ func (api *API) downloadWorkerWithName(ctx context.Context, scriptName string) (
 		if err != nil {
 			return r, fmt.Errorf("could not get multipart response body: %w", err)
 		}
-		mimePartBody, err := ioutil.ReadAll(mimePart)
+		mimePartBody, err := io.ReadAll(mimePart)
 		if err != nil {
 			return r, fmt.Errorf("could not read multipart response body: %w", err)
 		}
diff --git a/workers_test.go b/workers_test.go
index fcf7d4f4566..434bb065d16 100644
--- a/workers_test.go
+++ b/workers_test.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"mime/multipart"
 	"net/http"
 	"strings"
@@ -247,7 +247,7 @@ func getFormValue(r *http.Request, key string) ([]byte, error) {
 		if err != nil {
 			return nil, err
 		}
-		return ioutil.ReadAll(file)
+		return io.ReadAll(file)
 	}
 
 	return nil, fmt.Errorf("no value found for key %v", key)
@@ -1228,7 +1228,7 @@ func TestWorkers_ListWorkerBindingsMultiScript(t *testing.T) {
 
 	assert.Equal(t, "MY_WASM", res.BindingList[1].Name)
 	wasmBinding := res.BindingList[1].Binding.(WorkerWebAssemblyBinding)
-	wasmModuleContent, err := ioutil.ReadAll(wasmBinding.Module)
+	wasmModuleContent, err := io.ReadAll(wasmBinding.Module)
 	assert.NoError(t, err)
 	assert.Equal(t, []byte("mock multi-script wasm"), wasmModuleContent)
 	assert.Equal(t, WorkerWebAssemblyBindingType, res.BindingList[1].Binding.Type())
diff --git a/zone_cache_variants_test.go b/zone_cache_variants_test.go
index e1522a63ef2..315d2d9221a 100644
--- a/zone_cache_variants_test.go
+++ b/zone_cache_variants_test.go
@@ -3,7 +3,7 @@ package cloudflare
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 	"time"
@@ -71,7 +71,7 @@ func TestZoneCacheVariantsUpdate(t *testing.T) {
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, http.MethodPatch, r.Method, "Expected method 'PATCH', got %s", r.Method)
 
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		defer r.Body.Close()
 
 		if assert.NoError(t, err) {