diff --git a/README.md b/README.md
index 12f487b..2485a67 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Requires Go 1.8+ for proper `json.RawMessage` marshaling.
 To install, use `go get`:
 
 ```shell
-go get github.com/UnityTech/openrtb
+go get github.com/UnityTech/openrtb/v3
 ```
 
 ## Usage
@@ -22,9 +22,11 @@ go get github.com/UnityTech/openrtb
 package main
 
 import (
+  "encoding/json"
   "log"
+  "os"
 
-  "github.com/UnityTech/openrtb"
+  "github.com/UnityTech/openrtb/v3"
 )
 
 func main() {
diff --git a/audio_test.go b/audio_test.go
index 6cd95bd..d6ccf58 100644
--- a/audio_test.go
+++ b/audio_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestAudio(t *testing.T) {
diff --git a/banner_test.go b/banner_test.go
index 8ed96f9..72b5c93 100644
--- a/banner_test.go
+++ b/banner_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestBanner(t *testing.T) {
diff --git a/bid_test.go b/bid_test.go
index 46b4492..9836be8 100644
--- a/bid_test.go
+++ b/bid_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestBid(t *testing.T) {
diff --git a/bidrequest_test.go b/bidrequest_test.go
index b2630ba..bbb9023 100644
--- a/bidrequest_test.go
+++ b/bidrequest_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestBidRequest(t *testing.T) {
diff --git a/bidresponse_test.go b/bidresponse_test.go
index d858f57..21b86dc 100644
--- a/bidresponse_test.go
+++ b/bidresponse_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestBidResponse(t *testing.T) {
diff --git a/content_test.go b/content_test.go
index d02e9f8..289ca62 100644
--- a/content_test.go
+++ b/content_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestContent(t *testing.T) {
diff --git a/device_test.go b/device_test.go
index 14a41d1..d7f8b95 100644
--- a/device_test.go
+++ b/device_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestDevice(t *testing.T) {
diff --git a/extension_test.go b/extension_test.go
index 2c4b407..70de18d 100644
--- a/extension_test.go
+++ b/extension_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestExtension(t *testing.T) {
diff --git a/go.mod b/go.mod
index 305b62c..204a70e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
-module github.com/UnityTech/openrtb
+module github.com/UnityTech/openrtb/v3
 
-go 1.13
+go 1.18
diff --git a/impression_test.go b/impression_test.go
index 7498c4a..6a1cc2b 100644
--- a/impression_test.go
+++ b/impression_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestImpression(t *testing.T) {
diff --git a/inventory_test.go b/inventory_test.go
index dfbfa60..4bda401 100644
--- a/inventory_test.go
+++ b/inventory_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestApp(t *testing.T) {
diff --git a/metric_test.go b/metric_test.go
index e6d1522..3f256ec 100644
--- a/metric_test.go
+++ b/metric_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestMetric(t *testing.T) {
diff --git a/native/request/asset.go b/native/request/asset.go
index 43024da..136ea25 100644
--- a/native/request/asset.go
+++ b/native/request/asset.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Asset is the main container object for each asset requested or supported by Exchange
 // on behalf of the rendering client.  Only one of the {title,img,video,data}
diff --git a/native/request/data.go b/native/request/data.go
index 39e677f..66a86e2 100644
--- a/native/request/data.go
+++ b/native/request/data.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // DataTypeID enum.
 type DataTypeID int
diff --git a/native/request/image.go b/native/request/image.go
index dc7de3f..8f950d7 100644
--- a/native/request/image.go
+++ b/native/request/image.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // ImageTypeID enum.
 type ImageTypeID int
diff --git a/native/request/request.go b/native/request/request.go
index 924dfa2..8946010 100644
--- a/native/request/request.go
+++ b/native/request/request.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // LayoutID enum.
 type LayoutID int
diff --git a/native/request/request_test.go b/native/request/request_test.go
index 48f2cd5..8bd33c2 100644
--- a/native/request/request_test.go
+++ b/native/request/request_test.go
@@ -6,8 +6,8 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/UnityTech/openrtb"
-	. "github.com/UnityTech/openrtb/native/request"
+	"github.com/UnityTech/openrtb/v3"
+	. "github.com/UnityTech/openrtb/v3/native/request"
 )
 
 func TestRequest(t *testing.T) {
diff --git a/native/request/title.go b/native/request/title.go
index 48ddb16..bdaa000 100644
--- a/native/request/title.go
+++ b/native/request/title.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Title is the native title object.
 type Title struct {
diff --git a/native/request/video.go b/native/request/video.go
index 9d9edeb..a59cb65 100644
--- a/native/request/video.go
+++ b/native/request/video.go
@@ -1,6 +1,6 @@
 package request
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Video is the native video object.
 // TODO unclear if its the same as imp.video https://github.com/openrtb/OpenRTB/issues/26
diff --git a/native/response/asset.go b/native/response/asset.go
index b1efd2d..d0846a0 100644
--- a/native/response/asset.go
+++ b/native/response/asset.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Asset corresponds to the Asset Object in the request. The main container object for
 // each asset requested or supported by Exchange on behalf of the rendering
diff --git a/native/response/data.go b/native/response/data.go
index 8736074..b90136e 100644
--- a/native/response/data.go
+++ b/native/response/data.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Data object contains response data.
 type Data struct {
diff --git a/native/response/image.go b/native/response/image.go
index eb49c3b..276f250 100644
--- a/native/response/image.go
+++ b/native/response/image.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Image object contains response image.
 type Image struct {
diff --git a/native/response/link.go b/native/response/link.go
index 7abb0f7..5bf5798 100644
--- a/native/response/link.go
+++ b/native/response/link.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Link object contains response link.
 type Link struct {
diff --git a/native/response/response.go b/native/response/response.go
index 7305815..9d6ea06 100644
--- a/native/response/response.go
+++ b/native/response/response.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Response is the native object is the top level JSON object which identifies a native response.
 type Response struct {
diff --git a/native/response/response_test.go b/native/response/response_test.go
index 6e102ea..908524d 100644
--- a/native/response/response_test.go
+++ b/native/response/response_test.go
@@ -6,7 +6,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb/native/response"
+	. "github.com/UnityTech/openrtb/v3/native/response"
 )
 
 func TestResponse(t *testing.T) {
diff --git a/native/response/title.go b/native/response/title.go
index 873aaf7..fda13d3 100644
--- a/native/response/title.go
+++ b/native/response/title.go
@@ -1,6 +1,6 @@
 package response
 
-import "github.com/UnityTech/openrtb"
+import "github.com/UnityTech/openrtb/v3"
 
 // Title wraps title information.
 type Title struct {
diff --git a/native_test.go b/native_test.go
index fe9e2b1..57e43cf 100644
--- a/native_test.go
+++ b/native_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestNative(t *testing.T) {
diff --git a/numbers_test.go b/numbers_test.go
index 9079a07..543ad6c 100644
--- a/numbers_test.go
+++ b/numbers_test.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestNumberOrString(t *testing.T) {
diff --git a/pmp_test.go b/pmp_test.go
index 6e55d02..7a2b690 100644
--- a/pmp_test.go
+++ b/pmp_test.go
@@ -6,7 +6,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestPMP(t *testing.T) {
diff --git a/quantity_test.go b/quantity_test.go
index d22bc4f..54a1e41 100644
--- a/quantity_test.go
+++ b/quantity_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestQuantity(t *testing.T) {
diff --git a/seatbid_test.go b/seatbid_test.go
index f768c1c..fcb2f09 100644
--- a/seatbid_test.go
+++ b/seatbid_test.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestSeatBid_Validate(t *testing.T) {
diff --git a/source_test.go b/source_test.go
index 2bfb2b1..d4f9f3f 100644
--- a/source_test.go
+++ b/source_test.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestSource(t *testing.T) {
diff --git a/video_test.go b/video_test.go
index e3f7a98..8f8f5cf 100644
--- a/video_test.go
+++ b/video_test.go
@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	. "github.com/UnityTech/openrtb"
+	. "github.com/UnityTech/openrtb/v3"
 )
 
 func TestVideo(t *testing.T) {