feat: changes module version.

README.md

@@ -2,7 +2,7 @@
 
 Let's Encrypt client and ACME library written in Go.
 
-[![GoDoc](https://godoc.org/github.com/go-acme/lego?status.svg)](https://pkg.go.dev/mod/github.com/go-acme/lego/v3)
+[![GoDoc](https://godoc.org/github.com/go-acme/lego?status.svg)](https://pkg.go.dev/mod/github.com/go-acme/lego/v4)
 [![Build Status](https://travis-ci.com/go-acme/lego.svg?branch=master)](https://travis-ci.com/go-acme/lego)
 [![Docker Pulls](https://img.shields.io/docker/pulls/goacme/lego.svg)](https://hub.docker.com/r/goacme/lego/)
 

acme/api/account.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 type AccountService service

acme/api/api.go

@@ -11,11 +11,11 @@ import (
 	"time"
 
 	"github.com/cenkalti/backoff/v4"
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api/internal/nonces"
-	"github.com/go-acme/lego/v3/acme/api/internal/secure"
-	"github.com/go-acme/lego/v3/acme/api/internal/sender"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api/internal/nonces"
+	"github.com/go-acme/lego/v4/acme/api/internal/secure"
+	"github.com/go-acme/lego/v4/acme/api/internal/sender"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // Core ACME/LE core API.

acme/api/authorization.go

@@ -3,7 +3,7 @@ package api
 import (
 	"errors"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 type AuthorizationService service

acme/api/certificate.go

@@ -7,9 +7,9 @@ import (
 	"io/ioutil"
 	"net/http"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // maxBodySize is the maximum size of body that we will read.

acme/api/certificate_test.go

@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

acme/api/challenge.go

@@ -3,7 +3,7 @@ package api
 import (
 	"errors"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 type ChallengeService service

acme/api/internal/nonces/nonce_manager.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"sync"
 
-	"github.com/go-acme/lego/v3/acme/api/internal/sender"
+	"github.com/go-acme/lego/v4/acme/api/internal/sender"
 )
 
 // Manager Manages nonces.

acme/api/internal/nonces/nonce_manager_test.go

@@ -6,9 +6,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api/internal/sender"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api/internal/sender"
+	"github.com/go-acme/lego/v4/platform/tester"
 )
 
 func TestNotHoldingLockWhileMakingHTTPRequests(t *testing.T) {

acme/api/internal/secure/jws.go

@@ -8,7 +8,7 @@ import (
 	"encoding/base64"
 	"fmt"
 
-	"github.com/go-acme/lego/v3/acme/api/internal/nonces"
+	"github.com/go-acme/lego/v4/acme/api/internal/nonces"
 	jose "gopkg.in/square/go-jose.v2"
 )
 

acme/api/internal/secure/jws_test.go

@@ -6,10 +6,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api/internal/nonces"
-	"github.com/go-acme/lego/v3/acme/api/internal/sender"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api/internal/nonces"
+	"github.com/go-acme/lego/v4/acme/api/internal/sender"
+	"github.com/go-acme/lego/v4/platform/tester"
 )
 
 func TestNotHoldingLockWhileMakingHTTPRequests(t *testing.T) {

acme/api/internal/sender/sender.go

@@ -9,7 +9,7 @@ import (
 	"runtime"
 	"strings"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 type RequestOption func(*http.Request) error

acme/api/order.go

@@ -4,7 +4,7 @@ import (
 	"encoding/base64"
 	"errors"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 type OrderService service

acme/api/order_test.go

@@ -8,8 +8,8 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	jose "gopkg.in/square/go-jose.v2"

certificate/authorization.go

@@ -3,8 +3,8 @@ package certificate
 import (
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/log"
 )
 
 const (

certificate/certificates.go

@@ -12,12 +12,12 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/platform/wait"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/platform/wait"
 	"golang.org/x/crypto/ocsp"
 	"golang.org/x/net/idna"
 )

certificate/certificates_test.go

@@ -7,10 +7,10 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

challenge/challenges.go

@@ -3,7 +3,7 @@ package challenge
 import (
 	"fmt"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 // Type is a string that identifies a particular challenge type and version of ACME challenge.

challenge/dns01/dns_challenge.go

@@ -8,11 +8,11 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/platform/wait"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/platform/wait"
 	"github.com/miekg/dns"
 )
 

challenge/dns01/dns_challenge_test.go

@@ -8,10 +8,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

challenge/http01/http_challenge.go

@@ -3,10 +3,10 @@ package http01
 import (
 	"fmt"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/log"
 )
 
 type ValidateFunc func(core *api.Core, domain string, chlng acme.Challenge) error

challenge/http01/http_challenge_server.go

@@ -7,7 +7,7 @@ import (
 	"net/textproto"
 	"strings"
 
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // ProviderServer implements ChallengeProvider for `http-01` challenge.

challenge/http01/http_challenge_test.go

@@ -9,10 +9,10 @@ import (
 	"net/textproto"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

challenge/resolver/prober.go

@@ -4,9 +4,9 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // Interface for all challenge solvers to implement.

challenge/resolver/prober_mock_test.go

@@ -3,8 +3,8 @@ package resolver
 import (
 	"time"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/challenge"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/challenge"
 )
 
 type preSolverMock struct {

challenge/resolver/prober_test.go

@@ -4,8 +4,8 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/challenge"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/challenge"
 	"github.com/stretchr/testify/require"
 )
 

challenge/resolver/solver_manager.go

@@ -9,13 +9,13 @@ import (
 	"time"
 
 	"github.com/cenkalti/backoff/v4"
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/challenge/http01"
-	"github.com/go-acme/lego/v3/challenge/tlsalpn01"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/http01"
+	"github.com/go-acme/lego/v4/challenge/tlsalpn01"
+	"github.com/go-acme/lego/v4/log"
 )
 
 type byType []acme.Challenge

challenge/resolver/solver_manager_test.go

@@ -9,9 +9,9 @@ import (
 	"sort"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	jose "gopkg.in/square/go-jose.v2"

challenge/tlsalpn01/tls_alpn_challenge.go

@@ -8,11 +8,11 @@ import (
 	"encoding/asn1"
 	"fmt"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // idPeAcmeIdentifierV1 is the SMI Security for PKIX Certification Extension OID referencing the ACME extension.

challenge/tlsalpn01/tls_alpn_challenge_server.go

@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 )
 
 const (

challenge/tlsalpn01/tls_alpn_challenge_test.go

@@ -10,10 +10,10 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/go-acme/lego/v3/acme"
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/acme"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

cmd/account.go

@@ -3,7 +3,7 @@ package cmd
 import (
 	"crypto"
 
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/registration"
 )
 
 // Account represents a users local saved credentials.

cmd/accounts_storage.go

@@ -13,10 +13,10 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/urfave/cli"
 )
 

cmd/certs_storage.go

@@ -11,9 +11,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/log"
 	"github.com/urfave/cli"
 	"golang.org/x/net/idna"
 )

cmd/cmd_before.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 	"github.com/urfave/cli"
 )
 

cmd/cmd_list.go

@@ -8,7 +8,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/go-acme/lego/v3/certcrypto"
+	"github.com/go-acme/lego/v4/certcrypto"
 	"github.com/urfave/cli"
 )
 

cmd/cmd_renew.go

@@ -5,10 +5,10 @@ import (
 	"crypto/x509"
 	"time"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/log"
 	"github.com/urfave/cli"
 )
 

cmd/cmd_revoke.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 	"github.com/urfave/cli"
 )
 

cmd/cmd_run.go

@@ -6,10 +6,10 @@ import (
 	"os"
 	"strings"
 
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/urfave/cli"
 )
 

cmd/flags.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"github.com/go-acme/lego/v3/lego"
+	"github.com/go-acme/lego/v4/lego"
 	"github.com/urfave/cli"
 )
 

cmd/lego/main.go

@@ -8,8 +8,8 @@ import (
 	"path/filepath"
 	"runtime"
 
-	"github.com/go-acme/lego/v3/cmd"
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/cmd"
+	"github.com/go-acme/lego/v4/log"
 	"github.com/urfave/cli"
 )
 

cmd/setup.go

@@ -9,10 +9,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/urfave/cli"
 )
 

cmd/setup_challenges.go

@@ -5,15 +5,15 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/challenge/http01"
-	"github.com/go-acme/lego/v3/challenge/tlsalpn01"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/providers/dns"
-	"github.com/go-acme/lego/v3/providers/http/memcached"
-	"github.com/go-acme/lego/v3/providers/http/webroot"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/http01"
+	"github.com/go-acme/lego/v4/challenge/tlsalpn01"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/providers/dns"
+	"github.com/go-acme/lego/v4/providers/http/memcached"
+	"github.com/go-acme/lego/v4/providers/http/webroot"
 	"github.com/urfave/cli"
 )
 

docs/content/installation/_index.md

@@ -48,7 +48,7 @@ Requirements:
 To install the latest development version from sources, just run:
 
 ```bash
-go get -u github.com/go-acme/lego/v3/cmd/lego
+go get -u github.com/go-acme/lego/v4/cmd/lego
 ```
 
 or

docs/content/usage/library/_index.md

@@ -27,12 +27,12 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/challenge/http01"
-	"github.com/go-acme/lego/v3/challenge/tlsalpn01"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/challenge/http01"
+	"github.com/go-acme/lego/v4/challenge/tlsalpn01"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/registration"
 )
 
 // You'll need a user or account type that implements acme.User

e2e/challenges_test.go

@@ -10,12 +10,12 @@ import (
 	"os"
 	"testing"
 
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/challenge/http01"
-	"github.com/go-acme/lego/v3/challenge/tlsalpn01"
-	"github.com/go-acme/lego/v3/e2e/loader"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/challenge/http01"
+	"github.com/go-acme/lego/v4/challenge/tlsalpn01"
+	"github.com/go-acme/lego/v4/e2e/loader"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

e2e/dnschallenge/dns_challenges_test.go

@@ -8,12 +8,12 @@ import (
 	"os"
 	"testing"
 
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/e2e/loader"
-	"github.com/go-acme/lego/v3/lego"
-	"github.com/go-acme/lego/v3/providers/dns"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/e2e/loader"
+	"github.com/go-acme/lego/v4/lego"
+	"github.com/go-acme/lego/v4/providers/dns"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

e2e/loader/loader.go

@@ -15,7 +15,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/wait"
+	"github.com/go-acme/lego/v4/platform/wait"
 )
 
 const (

go.mod

@@ -1,4 +1,4 @@
-module github.com/go-acme/lego/v3
+module github.com/go-acme/lego/v4
 
 go 1.14
 

lego/client.go

@@ -4,10 +4,10 @@ import (
 	"errors"
 	"net/url"
 
-	"github.com/go-acme/lego/v3/acme/api"
-	"github.com/go-acme/lego/v3/certificate"
-	"github.com/go-acme/lego/v3/challenge/resolver"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/acme/api"
+	"github.com/go-acme/lego/v4/certificate"
+	"github.com/go-acme/lego/v4/challenge/resolver"
+	"github.com/go-acme/lego/v4/registration"
 )
 
 // Client is the user-friendly way to ACME.

lego/client_config.go

@@ -10,8 +10,8 @@ import (
 	"os"
 	"time"
 
-	"github.com/go-acme/lego/v3/certcrypto"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/certcrypto"
+	"github.com/go-acme/lego/v4/registration"
 )
 
 const (

lego/client_test.go

@@ -6,8 +6,8 @@ import (
 	"crypto/rsa"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
-	"github.com/go-acme/lego/v3/registration"
+	"github.com/go-acme/lego/v4/platform/tester"
+	"github.com/go-acme/lego/v4/registration"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

platform/config/env/env.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // Get environment variables.

platform/tester/api.go

@@ -5,7 +5,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 
-	"github.com/go-acme/lego/v3/acme"
+	"github.com/go-acme/lego/v4/acme"
 )
 
 // SetupFakeAPI Minimal stub ACME server for validation.

platform/tester/env_test.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 )
 

platform/wait/wait.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/go-acme/lego/v3/log"
+	"github.com/go-acme/lego/v4/log"
 )
 
 // For polls the given function 'f', once every 'interval', up to 'timeout'.

providers/dns/acmedns/acmedns.go

@@ -7,8 +7,8 @@ import (
 	"fmt"
 
 	"github.com/cpu/goacmedns"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 const (

providers/dns/alidns/alidns.go

@@ -11,8 +11,8 @@ import (
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
 	"github.com/aliyun/alibaba-cloud-sdk-go/services/alidns"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"golang.org/x/net/idna"
 )
 

providers/dns/alidns/alidns_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/arvancloud/arvancloud.go

@@ -9,9 +9,9 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/arvancloud/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/arvancloud/internal"
 )
 
 const minTTL = 600

providers/dns/arvancloud/arvancloud_test.go

@@ -3,7 +3,7 @@ package arvancloud
 import (
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/auroradns/auroradns.go

@@ -7,8 +7,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"github.com/nrdcg/auroradns"
 )
 

providers/dns/auroradns/auroradns_test.go

@@ -7,7 +7,7 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/autodns/autodns.go

@@ -8,8 +8,8 @@ import (
 	"net/url"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 // Environment variables names.

providers/dns/autodns/autodns_test.go

@@ -3,7 +3,7 @@ package autodns
 import (
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/azure/azure.go

@@ -16,8 +16,8 @@ import (
 	aazure "github.com/Azure/go-autorest/autorest/azure"
 	"github.com/Azure/go-autorest/autorest/azure/auth"
 	"github.com/Azure/go-autorest/autorest/to"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 const defaultMetadataEndpoint = "http://169.254.169.254"

providers/dns/azure/azure_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/bindman/bindman.go

@@ -7,8 +7,8 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"github.com/labbsr0x/bindman-dns-webhook/src/client"
 )
 

providers/dns/bindman/bindman_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	bindmanClient "github.com/labbsr0x/bindman-dns-webhook/src/client"
 	"github.com/stretchr/testify/require"
 )

providers/dns/bluecat/bluecat.go

@@ -10,8 +10,8 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 const (

providers/dns/bluecat/bluecat_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/checkdomain/checkdomain.go

@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 // Environment variables names.

providers/dns/checkdomain/checkdomain_test.go

@@ -4,7 +4,7 @@ import (
 	"net/url"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/checkdomain/client_test.go

@@ -10,7 +10,7 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/dns01"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/clouddns/clouddns.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/clouddns/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/clouddns/internal"
 )
 
 // Environment variables names.

providers/dns/clouddns/clouddns_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/cloudflare/client.go

@@ -4,7 +4,7 @@ import (
 	"sync"
 
 	"github.com/cloudflare/cloudflare-go"
-	"github.com/go-acme/lego/v3/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/dns01"
 )
 
 type metaClient struct {

providers/dns/cloudflare/cloudflare.go

@@ -9,9 +9,9 @@ import (
 	"time"
 
 	cloudflare "github.com/cloudflare/cloudflare-go"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/log"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/log"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 const (

providers/dns/cloudflare/cloudflare_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/cloudns/cloudns.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/cloudns/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/cloudns/internal"
 )
 
 // Environment variables names.

providers/dns/cloudns/cloudns_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/cloudns/internal/client.go

@@ -10,7 +10,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/dns01"
 )
 
 const defaultBaseURL = "https://api.cloudns.net/dns/"

providers/dns/cloudxns/cloudxns.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/cloudxns/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/cloudxns/internal"
 )
 
 // Environment variables names.

providers/dns/cloudxns/cloudxns_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/cloudxns/internal/client.go

@@ -13,7 +13,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/dns01"
 )
 
 const defaultBaseURL = "https://www.cloudxns.net/api2/"

providers/dns/conoha/conoha.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/conoha/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/conoha/internal"
 )
 
 // Environment variables names.

providers/dns/conoha/conoha_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/constellix/constellix.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
-	"github.com/go-acme/lego/v3/providers/dns/constellix/internal"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/constellix/internal"
 )
 
 // Environment variables names.

providers/dns/constellix/constellix_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/desec/desec.go

@@ -7,8 +7,8 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"github.com/nrdcg/desec"
 )
 

providers/dns/desec/desec_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/require"
 )
 

providers/dns/designate/designate.go

@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"github.com/gophercloud/gophercloud"
 	"github.com/gophercloud/gophercloud/openstack"
 	"github.com/gophercloud/gophercloud/openstack/dns/v2/recordsets"

providers/dns/designate/designate_test.go

@@ -8,7 +8,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/gophercloud/utils/openstack/clientconfig"
 	"github.com/stretchr/testify/require"
 	"gopkg.in/yaml.v2"

providers/dns/digitalocean/client.go

@@ -9,7 +9,7 @@ import (
 	"io/ioutil"
 	"net/http"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
+	"github.com/go-acme/lego/v4/challenge/dns01"
 )
 
 const defaultBaseURL = "https://api.digitalocean.com"

providers/dns/digitalocean/digitalocean.go

@@ -8,8 +8,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 )
 
 // Environment variables names.

providers/dns/digitalocean/digitalocean_test.go

@@ -7,7 +7,7 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/dns_providers.go

@@ -3,85 +3,85 @@ package dns
 import (
 	"fmt"
 
-	"github.com/go-acme/lego/v3/challenge"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/providers/dns/acmedns"
-	"github.com/go-acme/lego/v3/providers/dns/alidns"
-	"github.com/go-acme/lego/v3/providers/dns/arvancloud"
-	"github.com/go-acme/lego/v3/providers/dns/auroradns"
-	"github.com/go-acme/lego/v3/providers/dns/autodns"
-	"github.com/go-acme/lego/v3/providers/dns/azure"
-	"github.com/go-acme/lego/v3/providers/dns/bindman"
-	"github.com/go-acme/lego/v3/providers/dns/bluecat"
-	"github.com/go-acme/lego/v3/providers/dns/checkdomain"
-	"github.com/go-acme/lego/v3/providers/dns/clouddns"
-	"github.com/go-acme/lego/v3/providers/dns/cloudflare"
-	"github.com/go-acme/lego/v3/providers/dns/cloudns"
-	"github.com/go-acme/lego/v3/providers/dns/cloudxns"
-	"github.com/go-acme/lego/v3/providers/dns/conoha"
-	"github.com/go-acme/lego/v3/providers/dns/constellix"
-	"github.com/go-acme/lego/v3/providers/dns/desec"
-	"github.com/go-acme/lego/v3/providers/dns/designate"
-	"github.com/go-acme/lego/v3/providers/dns/digitalocean"
-	"github.com/go-acme/lego/v3/providers/dns/dnsimple"
-	"github.com/go-acme/lego/v3/providers/dns/dnsmadeeasy"
-	"github.com/go-acme/lego/v3/providers/dns/dnspod"
-	"github.com/go-acme/lego/v3/providers/dns/dode"
-	"github.com/go-acme/lego/v3/providers/dns/dreamhost"
-	"github.com/go-acme/lego/v3/providers/dns/duckdns"
-	"github.com/go-acme/lego/v3/providers/dns/dyn"
-	"github.com/go-acme/lego/v3/providers/dns/dynu"
-	"github.com/go-acme/lego/v3/providers/dns/easydns"
-	"github.com/go-acme/lego/v3/providers/dns/edgedns"
-	"github.com/go-acme/lego/v3/providers/dns/exec"
-	"github.com/go-acme/lego/v3/providers/dns/exoscale"
-	"github.com/go-acme/lego/v3/providers/dns/gandi"
-	"github.com/go-acme/lego/v3/providers/dns/gandiv5"
-	"github.com/go-acme/lego/v3/providers/dns/gcloud"
-	"github.com/go-acme/lego/v3/providers/dns/glesys"
-	"github.com/go-acme/lego/v3/providers/dns/godaddy"
-	"github.com/go-acme/lego/v3/providers/dns/hetzner"
-	"github.com/go-acme/lego/v3/providers/dns/hostingde"
-	"github.com/go-acme/lego/v3/providers/dns/httpreq"
-	"github.com/go-acme/lego/v3/providers/dns/hyperone"
-	"github.com/go-acme/lego/v3/providers/dns/iij"
-	"github.com/go-acme/lego/v3/providers/dns/inwx"
-	"github.com/go-acme/lego/v3/providers/dns/joker"
-	"github.com/go-acme/lego/v3/providers/dns/lightsail"
-	"github.com/go-acme/lego/v3/providers/dns/linode"
-	"github.com/go-acme/lego/v3/providers/dns/liquidweb"
-	"github.com/go-acme/lego/v3/providers/dns/luadns"
-	"github.com/go-acme/lego/v3/providers/dns/mydnsjp"
-	"github.com/go-acme/lego/v3/providers/dns/mythicbeasts"
-	"github.com/go-acme/lego/v3/providers/dns/namecheap"
-	"github.com/go-acme/lego/v3/providers/dns/namedotcom"
-	"github.com/go-acme/lego/v3/providers/dns/namesilo"
-	"github.com/go-acme/lego/v3/providers/dns/netcup"
-	"github.com/go-acme/lego/v3/providers/dns/netlify"
-	"github.com/go-acme/lego/v3/providers/dns/nifcloud"
-	"github.com/go-acme/lego/v3/providers/dns/ns1"
-	"github.com/go-acme/lego/v3/providers/dns/oraclecloud"
-	"github.com/go-acme/lego/v3/providers/dns/otc"
-	"github.com/go-acme/lego/v3/providers/dns/ovh"
-	"github.com/go-acme/lego/v3/providers/dns/pdns"
-	"github.com/go-acme/lego/v3/providers/dns/rackspace"
-	"github.com/go-acme/lego/v3/providers/dns/regru"
-	"github.com/go-acme/lego/v3/providers/dns/rfc2136"
-	"github.com/go-acme/lego/v3/providers/dns/rimuhosting"
-	"github.com/go-acme/lego/v3/providers/dns/route53"
-	"github.com/go-acme/lego/v3/providers/dns/sakuracloud"
-	"github.com/go-acme/lego/v3/providers/dns/scaleway"
-	"github.com/go-acme/lego/v3/providers/dns/selectel"
-	"github.com/go-acme/lego/v3/providers/dns/servercow"
-	"github.com/go-acme/lego/v3/providers/dns/stackpath"
-	"github.com/go-acme/lego/v3/providers/dns/transip"
-	"github.com/go-acme/lego/v3/providers/dns/vegadns"
-	"github.com/go-acme/lego/v3/providers/dns/versio"
-	"github.com/go-acme/lego/v3/providers/dns/vscale"
-	"github.com/go-acme/lego/v3/providers/dns/vultr"
-	"github.com/go-acme/lego/v3/providers/dns/yandex"
-	"github.com/go-acme/lego/v3/providers/dns/zoneee"
-	"github.com/go-acme/lego/v3/providers/dns/zonomi"
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/providers/dns/acmedns"
+	"github.com/go-acme/lego/v4/providers/dns/alidns"
+	"github.com/go-acme/lego/v4/providers/dns/arvancloud"
+	"github.com/go-acme/lego/v4/providers/dns/auroradns"
+	"github.com/go-acme/lego/v4/providers/dns/autodns"
+	"github.com/go-acme/lego/v4/providers/dns/azure"
+	"github.com/go-acme/lego/v4/providers/dns/bindman"
+	"github.com/go-acme/lego/v4/providers/dns/bluecat"
+	"github.com/go-acme/lego/v4/providers/dns/checkdomain"
+	"github.com/go-acme/lego/v4/providers/dns/clouddns"
+	"github.com/go-acme/lego/v4/providers/dns/cloudflare"
+	"github.com/go-acme/lego/v4/providers/dns/cloudns"
+	"github.com/go-acme/lego/v4/providers/dns/cloudxns"
+	"github.com/go-acme/lego/v4/providers/dns/conoha"
+	"github.com/go-acme/lego/v4/providers/dns/constellix"
+	"github.com/go-acme/lego/v4/providers/dns/desec"
+	"github.com/go-acme/lego/v4/providers/dns/designate"
+	"github.com/go-acme/lego/v4/providers/dns/digitalocean"
+	"github.com/go-acme/lego/v4/providers/dns/dnsimple"
+	"github.com/go-acme/lego/v4/providers/dns/dnsmadeeasy"
+	"github.com/go-acme/lego/v4/providers/dns/dnspod"
+	"github.com/go-acme/lego/v4/providers/dns/dode"
+	"github.com/go-acme/lego/v4/providers/dns/dreamhost"
+	"github.com/go-acme/lego/v4/providers/dns/duckdns"
+	"github.com/go-acme/lego/v4/providers/dns/dyn"
+	"github.com/go-acme/lego/v4/providers/dns/dynu"
+	"github.com/go-acme/lego/v4/providers/dns/easydns"
+	"github.com/go-acme/lego/v4/providers/dns/edgedns"
+	"github.com/go-acme/lego/v4/providers/dns/exec"
+	"github.com/go-acme/lego/v4/providers/dns/exoscale"
+	"github.com/go-acme/lego/v4/providers/dns/gandi"
+	"github.com/go-acme/lego/v4/providers/dns/gandiv5"
+	"github.com/go-acme/lego/v4/providers/dns/gcloud"
+	"github.com/go-acme/lego/v4/providers/dns/glesys"
+	"github.com/go-acme/lego/v4/providers/dns/godaddy"
+	"github.com/go-acme/lego/v4/providers/dns/hetzner"
+	"github.com/go-acme/lego/v4/providers/dns/hostingde"
+	"github.com/go-acme/lego/v4/providers/dns/httpreq"
+	"github.com/go-acme/lego/v4/providers/dns/hyperone"
+	"github.com/go-acme/lego/v4/providers/dns/iij"
+	"github.com/go-acme/lego/v4/providers/dns/inwx"
+	"github.com/go-acme/lego/v4/providers/dns/joker"
+	"github.com/go-acme/lego/v4/providers/dns/lightsail"
+	"github.com/go-acme/lego/v4/providers/dns/linode"
+	"github.com/go-acme/lego/v4/providers/dns/liquidweb"
+	"github.com/go-acme/lego/v4/providers/dns/luadns"
+	"github.com/go-acme/lego/v4/providers/dns/mydnsjp"
+	"github.com/go-acme/lego/v4/providers/dns/mythicbeasts"
+	"github.com/go-acme/lego/v4/providers/dns/namecheap"
+	"github.com/go-acme/lego/v4/providers/dns/namedotcom"
+	"github.com/go-acme/lego/v4/providers/dns/namesilo"
+	"github.com/go-acme/lego/v4/providers/dns/netcup"
+	"github.com/go-acme/lego/v4/providers/dns/netlify"
+	"github.com/go-acme/lego/v4/providers/dns/nifcloud"
+	"github.com/go-acme/lego/v4/providers/dns/ns1"
+	"github.com/go-acme/lego/v4/providers/dns/oraclecloud"
+	"github.com/go-acme/lego/v4/providers/dns/otc"
+	"github.com/go-acme/lego/v4/providers/dns/ovh"
+	"github.com/go-acme/lego/v4/providers/dns/pdns"
+	"github.com/go-acme/lego/v4/providers/dns/rackspace"
+	"github.com/go-acme/lego/v4/providers/dns/regru"
+	"github.com/go-acme/lego/v4/providers/dns/rfc2136"
+	"github.com/go-acme/lego/v4/providers/dns/rimuhosting"
+	"github.com/go-acme/lego/v4/providers/dns/route53"
+	"github.com/go-acme/lego/v4/providers/dns/sakuracloud"
+	"github.com/go-acme/lego/v4/providers/dns/scaleway"
+	"github.com/go-acme/lego/v4/providers/dns/selectel"
+	"github.com/go-acme/lego/v4/providers/dns/servercow"
+	"github.com/go-acme/lego/v4/providers/dns/stackpath"
+	"github.com/go-acme/lego/v4/providers/dns/transip"
+	"github.com/go-acme/lego/v4/providers/dns/vegadns"
+	"github.com/go-acme/lego/v4/providers/dns/versio"
+	"github.com/go-acme/lego/v4/providers/dns/vscale"
+	"github.com/go-acme/lego/v4/providers/dns/vultr"
+	"github.com/go-acme/lego/v4/providers/dns/yandex"
+	"github.com/go-acme/lego/v4/providers/dns/zoneee"
+	"github.com/go-acme/lego/v4/providers/dns/zonomi"
 )
 
 // NewDNSChallengeProviderByName Factory for DNS providers.

providers/dns/dns_providers_test.go

@@ -3,8 +3,8 @@ package dns
 import (
 	"testing"
 
-	"github.com/go-acme/lego/v3/platform/tester"
-	"github.com/go-acme/lego/v3/providers/dns/exec"
+	"github.com/go-acme/lego/v4/platform/tester"
+	"github.com/go-acme/lego/v4/providers/dns/exec"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

providers/dns/dnsimple/dnsimple.go

@@ -10,8 +10,8 @@ import (
 	"time"
 
 	"github.com/dnsimple/dnsimple-go/dnsimple"
-	"github.com/go-acme/lego/v3/challenge/dns01"
-	"github.com/go-acme/lego/v3/platform/config/env"
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
 	"golang.org/x/oauth2"
 )
 

providers/dns/dnsimple/dnsimple_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/go-acme/lego/v3/platform/tester"
+	"github.com/go-acme/lego/v4/platform/tester"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )