diff --git a/README.md b/README.md
index d53c8f2..ce674e7 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ Our library requires Go version 1.13 or higher.
 Get package:
 
 ```
-go get github.com/mailjet/mailjet-apiv3-go/v3
+go get github.com/mailjet/mailjet-apiv3-go/v4
 ```
 
 And create a new MailjetClient:
@@ -63,8 +63,8 @@ And create a new MailjetClient:
 ```go
 // Import the Mailjet wrapper
 import (
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 	"os"
 )
 ```
@@ -108,7 +108,7 @@ import (
 	"log"
     "os"
   
-	"github.com/mailjet/mailjet-apiv3-go/v3"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
 )
 
 func main() {
@@ -163,7 +163,7 @@ import (
 	"net/url"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
 )
 
 // Set the http client with the given proxy url
@@ -234,8 +234,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -272,8 +272,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -321,8 +321,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -348,8 +348,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -375,8 +375,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -410,8 +410,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 func main() {
@@ -459,7 +459,7 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3"
+	"github.com/mailjet/mailjet-apiv3-go/v4"
 )
 
 func main() {
diff --git a/example_test.go b/example_test.go
index 666c576..5b319a1 100644
--- a/example_test.go
+++ b/example_test.go
@@ -5,8 +5,8 @@ import (
 	"net/textproto"
 	"os"
 
-	mailjet "github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	mailjet "github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 var (
diff --git a/fixtures/fixtures.go b/fixtures/fixtures.go
index 580e6a9..613372c 100644
--- a/fixtures/fixtures.go
+++ b/fixtures/fixtures.go
@@ -6,7 +6,7 @@ import (
 	"errors"
 	"reflect"
 
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 // Fixtures definition
diff --git a/http_client_mock.go b/http_client_mock.go
index 8bdf11c..c19b0ee 100644
--- a/http_client_mock.go
+++ b/http_client_mock.go
@@ -3,8 +3,8 @@ package mailjet
 import (
 	"errors"
 	"net/http"
-  
-	"github.com/mailjet/mailjet-apiv3-go/v3/fixtures"
+
+	"github.com/mailjet/mailjet-apiv3-go/v4/fixtures"
 )
 
 // HTTPClientMock definition
diff --git a/mailjet_client_test.go b/mailjet_client_test.go
index 011955f..58990c5 100644
--- a/mailjet_client_test.go
+++ b/mailjet_client_test.go
@@ -12,8 +12,8 @@ import (
 	"testing"
 	"time"
 
-	mailjet "github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	mailjet "github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 var (
diff --git a/tests/main.go b/tests/main.go
index 5eeab59..42d52fa 100644
--- a/tests/main.go
+++ b/tests/main.go
@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	mailjet "github.com/mailjet/mailjet-apiv3-go/v3"
-	"github.com/mailjet/mailjet-apiv3-go/v3/resources"
+	mailjet "github.com/mailjet/mailjet-apiv3-go/v4"
+	"github.com/mailjet/mailjet-apiv3-go/v4/resources"
 )
 
 var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")