diff --git a/README.md b/README.md
index b0d182f..402e2a7 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Then, reference paddle-go-sdk in a Go program with import:
 
 ```go
 import (
-    paddle "github.com/PaddleHQ/paddle-go-sdk"
+    paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 ```
 
@@ -51,7 +51,7 @@ Pass your API key while initializing a new Paddle client.
 
 ``` go
 import (
-    paddle "github.com/PaddleHQ/paddle-go-sdk"
+    paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 client, err := paddle.New(
diff --git a/addresses.go b/addresses.go
index b3ffc2c..a7d3c23 100644
--- a/addresses.go
+++ b/addresses.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrAddressLocationNotAllowed represents a `address_location_not_allowed` error.
diff --git a/adjustments.go b/adjustments.go
index d7d59fb..e94bb78 100644
--- a/adjustments.go
+++ b/adjustments.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrAdjustmentTransactionMissingCustomerID represents a `adjustment_transaction_missing_customer_id` error.
diff --git a/businesses.go b/businesses.go
index 2479020..7f6be6e 100644
--- a/businesses.go
+++ b/businesses.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrBusinessContactEmailDomainNotAllowed represents a `business_contact_email_domain_not_allowed` error.
diff --git a/collection.go b/collection.go
index 9d2d19f..6e8c49e 100644
--- a/collection.go
+++ b/collection.go
@@ -8,8 +8,8 @@ import (
 	"net/url"
 	"sync"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
-	"github.com/PaddleHQ/paddle-go-sdk/internal/response"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/response"
 )
 
 // Collection is the response from a listing endpoint in the Paddle API.
diff --git a/collection_test.go b/collection_test.go
index d87b50f..b8de086 100644
--- a/collection_test.go
+++ b/collection_test.go
@@ -6,7 +6,7 @@ import (
 	"errors"
 	"testing"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
diff --git a/context.go b/context.go
index 12c443b..76c111c 100644
--- a/context.go
+++ b/context.go
@@ -3,7 +3,7 @@ package paddle
 import (
 	"context"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
 )
 
 // ContextWithTransitID returns a new context with the provided transitID.
diff --git a/currencies.go b/currencies.go
index 410a38b..5adf762 100644
--- a/currencies.go
+++ b/currencies.go
@@ -1,7 +1,7 @@
 // Code generated by the Paddle SDK Generator; DO NOT EDIT.
 package paddle
 
-import paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+import paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 
 // ErrCurrencyPrimaryBalanceInvalid represents a `currency_primary_balance_invalid` error.
 // See https://developer.paddle.com/errors/currencies/currency_primary_balance_invalid for more information.
diff --git a/customers.go b/customers.go
index 3a7023f..acc977c 100644
--- a/customers.go
+++ b/customers.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrCustomerAlreadyExists represents a `customer_already_exists` error.
diff --git a/discounts.go b/discounts.go
index 41e9783..b01ed74 100644
--- a/discounts.go
+++ b/discounts.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrDiscountExpired represents a `discount_expired` error.
diff --git a/events.go b/events.go
index ffffe0c..af9ef2c 100644
--- a/events.go
+++ b/events.go
@@ -6,7 +6,7 @@ import (
 	"context"
 	"encoding/json"
 
-	paddlenotification "github.com/PaddleHQ/paddle-go-sdk/pkg/paddlenotification"
+	paddlenotification "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddlenotification"
 )
 
 // Event: Represents an event entity.
diff --git a/example_create_test.go b/example_create_test.go
index 1acd6b7..262da91 100644
--- a/example_create_test.go
+++ b/example_create_test.go
@@ -6,7 +6,7 @@ import (
 	"os"
 	"time"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 // Demonstrates how to create a new entity.
diff --git a/example_get_test.go b/example_get_test.go
index f5f8752..02e6ff3 100644
--- a/example_get_test.go
+++ b/example_get_test.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"os"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 // Demonstrates how to get an existing entity.
diff --git a/example_list_events_test.go b/example_list_events_test.go
index 71b7828..9024a91 100644
--- a/example_list_events_test.go
+++ b/example_list_events_test.go
@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"os"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 // Demonstrates how to fetch a list of events and iterate over the provided results.
diff --git a/example_list_test.go b/example_list_test.go
index 3871e08..5fdf850 100644
--- a/example_list_test.go
+++ b/example_list_test.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"os"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 // Demonstrates how to fetch a list and iterate over the provided results.
diff --git a/example_simulations_test.go b/example_simulations_test.go
index 625d101..8d77690 100644
--- a/example_simulations_test.go
+++ b/example_simulations_test.go
@@ -6,8 +6,8 @@ import (
 	"os"
 	"time"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddlenotification"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddlenotification"
 )
 
 // Demonstrates how to create a Simulation with Payload and read the Payload back out of the response
diff --git a/example_update_test.go b/example_update_test.go
index 83a6316..d3cc3ef 100644
--- a/example_update_test.go
+++ b/example_update_test.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"os"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 // Demonstrates how to update an existing entity.
diff --git a/example_webhook_verifier_test.go b/example_webhook_verifier_test.go
index bb9116f..fa50242 100644
--- a/example_webhook_verifier_test.go
+++ b/example_webhook_verifier_test.go
@@ -8,7 +8,7 @@ import (
 	"net/http/httptest"
 	"strings"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 )
 
 const (
diff --git a/go.mod b/go.mod
index 6a654b8..a2ded50 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/PaddleHQ/paddle-go-sdk
+module github.com/PaddleHQ/paddle-go-sdk/v2
 
 go 1.21.0
 
diff --git a/internal/client/client.go b/internal/client/client.go
index adcc286..72eabcb 100644
--- a/internal/client/client.go
+++ b/internal/client/client.go
@@ -13,7 +13,7 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/response"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/response"
 
 	"github.com/ggicci/httpin"
 	"github.com/ggicci/httpin/core"
diff --git a/internal/client/client_test.go b/internal/client/client_test.go
index adca493..def0541 100644
--- a/internal/client/client_test.go
+++ b/internal/client/client_test.go
@@ -11,9 +11,9 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
-	"github.com/PaddleHQ/paddle-go-sdk/internal/response"
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/response"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 func ptr[V any](v V) *V {
diff --git a/internal/client/directive_include_test.go b/internal/client/directive_include_test.go
index fa29435..4b88935 100644
--- a/internal/client/directive_include_test.go
+++ b/internal/client/directive_include_test.go
@@ -4,7 +4,7 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
 
 	"github.com/ggicci/httpin"
 	"github.com/stretchr/testify/assert"
diff --git a/internal/client/transit_id_test.go b/internal/client/transit_id_test.go
index d042700..02a1401 100644
--- a/internal/client/transit_id_test.go
+++ b/internal/client/transit_id_test.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
 
 	"github.com/stretchr/testify/assert"
 )
diff --git a/internal/client/version.txt b/internal/client/version.txt
index 7ec1d6d..3e3c2f1 100644
--- a/internal/client/version.txt
+++ b/internal/client/version.txt
@@ -1 +1 @@
-2.1.0
+2.1.1
diff --git a/internal/response/response.go b/internal/response/response.go
index fff9830..9d85bcd 100644
--- a/internal/response/response.go
+++ b/internal/response/response.go
@@ -10,7 +10,7 @@ import (
 	"net/http"
 	"reflect"
 
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // UnmarshalsResponses is an interface implemented by type that must unmarshal responses for themselves.
diff --git a/internal/response/response_api_error_handler.go b/internal/response/response_api_error_handler.go
index 9bbed90..8e59d35 100644
--- a/internal/response/response_api_error_handler.go
+++ b/internal/response/response_api_error_handler.go
@@ -8,7 +8,7 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrUnexpectedResponse is returned when an paddle.Error was expected, but instead received nil.
diff --git a/notifications.go b/notifications.go
index a425ac3..14395db 100644
--- a/notifications.go
+++ b/notifications.go
@@ -6,8 +6,8 @@ import (
 	"context"
 	"encoding/json"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
-	paddlenotification "github.com/PaddleHQ/paddle-go-sdk/pkg/paddlenotification"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
+	paddlenotification "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddlenotification"
 )
 
 // ErrNotificationMaximumActiveSettingsReached represents a `notification_maximum_active_settings_reached` error.
diff --git a/options.go b/options.go
index ec23bb1..6327d5e 100644
--- a/options.go
+++ b/options.go
@@ -1,7 +1,7 @@
 package paddle
 
 import (
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
 )
 
 // Option is a function that configures the Paddle SDK.
diff --git a/paddle.go b/paddle.go
index 889a0b5..b50fc9e 100644
--- a/paddle.go
+++ b/paddle.go
@@ -5,7 +5,7 @@ import (
 	"context"
 	"net/url"
 
-	"github.com/PaddleHQ/paddle-go-sdk/internal/client"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/internal/client"
 
 	"github.com/hashicorp/go-cleanhttp"
 )
diff --git a/patch_field_test.go b/patch_field_test.go
index 149bfd1..53c7d02 100644
--- a/patch_field_test.go
+++ b/patch_field_test.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"testing"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
diff --git a/prices.go b/prices.go
index 674d852..da72629 100644
--- a/prices.go
+++ b/prices.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrPriceTrialPeriodMissingFields represents a `price_trial_period_missing_fields` error.
diff --git a/products.go b/products.go
index a7e2ffa..156289f 100644
--- a/products.go
+++ b/products.go
@@ -5,7 +5,7 @@ package paddle
 import (
 	"context"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrProductTaxCategoryNotApproved represents a `product_tax_category_not_approved` error.
diff --git a/reports.go b/reports.go
index 8e9dabd..77699a1 100644
--- a/reports.go
+++ b/reports.go
@@ -6,7 +6,7 @@ import (
 	"context"
 	"encoding/json"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrReportCreationLimitExceeded represents a `report_creation_limit_exceeded` error.
diff --git a/shared.go b/shared.go
index 134b0b4..e39776f 100644
--- a/shared.go
+++ b/shared.go
@@ -6,8 +6,8 @@ import (
 	"encoding/json"
 	"strings"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddlenotification"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddlenotification"
 )
 
 // ErrNotFound represents a `not_found` error.
diff --git a/simulations.go b/simulations.go
index ede0d11..6e47e15 100644
--- a/simulations.go
+++ b/simulations.go
@@ -7,7 +7,7 @@ import (
 	"encoding/json"
 	"strings"
 
-	"github.com/PaddleHQ/paddle-go-sdk/pkg/paddlenotification"
+	"github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddlenotification"
 )
 
 // Simulation: Represents a simulation entity.
diff --git a/subscriptions.go b/subscriptions.go
index f1c0ec2..1875755 100644
--- a/subscriptions.go
+++ b/subscriptions.go
@@ -6,7 +6,7 @@ import (
 	"context"
 	"encoding/json"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrSubscriptionLockedRenewal represents a `subscription_locked_renewal` error.
diff --git a/transactions.go b/transactions.go
index 1c295d6..f78c190 100644
--- a/transactions.go
+++ b/transactions.go
@@ -6,7 +6,7 @@ import (
 	"context"
 	"encoding/json"
 
-	paddleerr "github.com/PaddleHQ/paddle-go-sdk/pkg/paddleerr"
+	paddleerr "github.com/PaddleHQ/paddle-go-sdk/v2/pkg/paddleerr"
 )
 
 // ErrTransactionImmutable represents a `transaction_immutable` error.
diff --git a/webhook_verifier_test.go b/webhook_verifier_test.go
index 61342be..6b58e41 100644
--- a/webhook_verifier_test.go
+++ b/webhook_verifier_test.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"testing"
 
-	paddle "github.com/PaddleHQ/paddle-go-sdk"
+	paddle "github.com/PaddleHQ/paddle-go-sdk/v2"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"