diff --git a/.pubnub.yml b/.pubnub.yml
index 0f87d06c..95efd8aa 100644
--- a/.pubnub.yml
+++ b/.pubnub.yml
@@ -1,5 +1,12 @@
 --- 
 changelog: 
+  - 
+    changes: 
+      - 
+        text: "UUID param in Set and Get State"
+        type: improvement
+    date: Aug 1, 19  
+    version: v4.2.5  
   - 
     changes: 
       - 
@@ -363,4 +370,4 @@ supported-platforms:
       - "Mac OS X 10.8 or later, amd64"
       - "Windows 7 or later, amd64, 386"
     version: "PubNub Go SDK"
-version: v4.2.4
+version: v4.2.5
diff --git a/README.md b/README.md
index d18adb37..4223a279 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-# PubNub 4.2.4 client for Go
+# PubNub 4.2.5 client for Go
 * Go (1.9+)
 
 # Please direct all Support Questions and Concerns to Support@PubNub.com
diff --git a/VERSION b/VERSION
index cf78d5b6..df0228df 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.4
+4.2.5
diff --git a/examples/cli/cli_demo.go b/examples/cli/cli_demo.go
index c1af6871..9336e13d 100644
--- a/examples/cli/cli_demo.go
+++ b/examples/cli/cli_demo.go
@@ -615,7 +615,7 @@ func setStateRequest(args []string) {
 		}
 	}
 
-	res, status, err := pn.SetState().Channels([]string{channel}).State(state).Execute()
+	res, status, err := pn.SetState().Channels([]string{channel}).State(state).UUID("nuuid").Execute()
 
 	fmt.Println("status===>", status)
 	if err != nil {
@@ -638,7 +638,7 @@ func getStateRequest(args []string) {
 		channel = args[0]
 	}
 
-	res, status, err := pn.GetState().Channels([]string{channel}).Execute()
+	res, status, err := pn.GetState().Channels([]string{channel}).UUID("").Execute()
 
 	fmt.Println("status===>", status)
 	if err != nil {
diff --git a/get_state_request.go b/get_state_request.go
index 415e1f3b..373a3a19 100644
--- a/get_state_request.go
+++ b/get_state_request.go
@@ -135,10 +135,15 @@ func (o *getStateOpts) buildPath() (string, error) {
 		channels = append(channels, utils.PamEncode(channel))
 	}
 
+	uuid := o.UUID
+	if uuid == "" {
+		uuid = o.pubnub.Config.UUID
+	}
+
 	return fmt.Sprintf(getStatePath,
 		o.pubnub.Config.SubscribeKey,
 		strings.Join(channels, ","),
-		utils.URLEncode(o.pubnub.Config.UUID)), nil
+		utils.URLEncode(uuid)), nil
 }
 
 func (o *getStateOpts) buildQuery() (*url.Values, error) {
@@ -191,6 +196,7 @@ func (o *getStateOpts) telemetryManager() *TelemetryManager {
 // GetStateResponse is the struct returned when the Execute function of GetState is called.
 type GetStateResponse struct {
 	State map[string]interface{}
+	UUID  string
 }
 
 func newGetStateResponse(jsonBytes []byte, status StatusResponse) (
@@ -222,6 +228,9 @@ func newGetStateResponse(jsonBytes []byte, status StatusResponse) (
 		return emptyGetStateResp, status, errors.New(message)
 	}
 
+	if v["uuid"] != nil {
+		resp.UUID = v["uuid"].(string)
+	}
 	m := make(map[string]interface{})
 	if v["channel"] != nil {
 		if channel, ok2 := v["channel"].(string); ok2 {
diff --git a/get_state_request_test.go b/get_state_request_test.go
index 837181fc..f3123d43 100644
--- a/get_state_request_test.go
+++ b/get_state_request_test.go
@@ -1,6 +1,7 @@
 package pubnub
 
 import (
+	"fmt"
 	"net/url"
 	"testing"
 
@@ -97,6 +98,39 @@ func TestGetStateBasicRequest(t *testing.T) {
 	assert.Equal([]byte{}, body)
 }
 
+func TestGetStateBasicRequestWithUUID(t *testing.T) {
+	assert := assert.New(t)
+
+	uuid := "customuuid"
+
+	opts := &getStateOpts{
+		Channels:      []string{"ch"},
+		ChannelGroups: []string{"cg"},
+		UUID:          uuid,
+		pubnub:        pubnub,
+	}
+
+	path, err := opts.buildPath()
+	assert.Nil(err)
+	u := &url.URL{
+		Path: path,
+	}
+	h.AssertPathsEqual(t,
+		fmt.Sprintf("/v2/presence/sub-key/sub_key/channel/ch/uuid/%s", uuid),
+		u.EscapedPath(), []int{})
+
+	query, err := opts.buildQuery()
+	assert.Nil(err)
+
+	expected := &url.Values{}
+	expected.Set("channel-group", "cg")
+	h.AssertQueriesEqual(t, expected, query, []string{"pnsdk", "uuid"}, []string{})
+
+	body, err := opts.buildBody()
+	assert.Nil(err)
+	assert.Equal([]byte{}, body)
+}
+
 func TestNewGetStateBuilder(t *testing.T) {
 	assert := assert.New(t)
 
diff --git a/pubnub.go b/pubnub.go
index 3c72fa81..fa722978 100644
--- a/pubnub.go
+++ b/pubnub.go
@@ -12,7 +12,7 @@ import (
 // Default constants
 const (
 	// Version :the version of the SDK
-	Version = "4.2.4"
+	Version = "4.2.5"
 	// MaxSequence for publish messages
 	MaxSequence = 65535
 )
diff --git a/set_state_request.go b/set_state_request.go
index 1b577a8a..10bbfd70 100644
--- a/set_state_request.go
+++ b/set_state_request.go
@@ -66,6 +66,13 @@ func (b *setStateBuilder) QueryParam(queryParam map[string]string) *setStateBuil
 	return b
 }
 
+// UUID sets the UUID for the Set State request.
+func (b *setStateBuilder) UUID(uuid string) *setStateBuilder {
+	b.opts.UUID = uuid
+
+	return b
+}
+
 // Execute runs the the Set State request and returns the SetStateResponse
 func (b *setStateBuilder) Execute() (*SetStateResponse, StatusResponse, error) {
 	stateOperation := StateOperation{}
@@ -87,6 +94,7 @@ type setStateOpts struct {
 	State         map[string]interface{}
 	Channels      []string
 	ChannelGroups []string
+	UUID          string
 	QueryParam    map[string]string
 	pubnub        *PubNub
 	stringState   string
@@ -129,11 +137,15 @@ func (o *setStateOpts) validate() error {
 
 func (o *setStateOpts) buildPath() (string, error) {
 	channels := string(utils.JoinChannels(o.Channels))
+	uuid := o.UUID
+	if uuid == "" {
+		uuid = o.pubnub.Config.UUID
+	}
 
 	return fmt.Sprintf(setStatePath,
 		o.pubnub.Config.SubscribeKey,
 		channels,
-		utils.URLEncode(o.pubnub.Config.UUID),
+		utils.URLEncode(uuid),
 	), nil
 }
 
diff --git a/set_state_request_test.go b/set_state_request_test.go
index 0acf00ec..05e54881 100644
--- a/set_state_request_test.go
+++ b/set_state_request_test.go
@@ -29,6 +29,27 @@ func TestNewSetStateBuilder(t *testing.T) {
 		u.EscapedPath(), []int{})
 }
 
+func TestNewSetStateBuilderWithUUID(t *testing.T) {
+	assert := assert.New(t)
+
+	o := newSetStateBuilder(pubnub)
+	o.Channels([]string{"ch1", "ch2", "ch3"})
+	uuid := "customuuid"
+	o.UUID(uuid)
+
+	path, err := o.opts.buildPath()
+	assert.Nil(err)
+
+	u := &url.URL{
+		Path: path,
+	}
+
+	h.AssertPathsEqual(t,
+		fmt.Sprintf("/v2/presence/sub-key/sub_key/channel/ch1,ch2,ch3/uuid/%s/data",
+			uuid),
+		u.EscapedPath(), []int{})
+}
+
 func TestNewSetStateBuilderContext(t *testing.T) {
 	assert := assert.New(t)
 
diff --git a/tests/e2e/set_state_test.go b/tests/e2e/set_state_test.go
index 47a8dc71..ed276b4e 100644
--- a/tests/e2e/set_state_test.go
+++ b/tests/e2e/set_state_test.go
@@ -42,6 +42,42 @@ func TestSetStateSucessNotStubbed(t *testing.T) {
 	}
 }
 
+func TestSetStateSucessNotStubbedWithUUID(t *testing.T) {
+	assert := assert.New(t)
+
+	pn := pubnub.NewPubNub(configCopy())
+	uuid := "nuuid"
+
+	state := make(map[string]interface{})
+	state["age"] = "20"
+
+	setStateRes, _, err := pn.SetState().State(state).UUID(uuid).Channels([]string{"ch"}).
+		ChannelGroups([]string{"cg"}).Execute()
+
+	assert.Nil(err)
+	if s, ok := setStateRes.State.(map[string]interface{}); ok {
+		assert.Equal("20", s["age"])
+	} else {
+		assert.Fail(fmt.Sprintf("!map[string]interface{} %v %v", reflect.TypeOf(setStateRes.State).Kind(), reflect.TypeOf(setStateRes.State)))
+	}
+
+	assert.Equal("OK", setStateRes.Message)
+
+	getStateRes, _, err := pn.GetState().
+		Channels([]string{"ch"}).
+		ChannelGroups([]string{"cg"}).
+		UUID(uuid).
+		Execute()
+
+	assert.Nil(err)
+	if s, ok := getStateRes.State["ch"].(map[string]interface{}); ok {
+		assert.Equal("20", s["age"])
+	} else {
+		assert.Fail(fmt.Sprintf("!map[string]interface{} %v %v", reflect.TypeOf(getStateRes.State["ch"]).Kind(), reflect.TypeOf(setStateRes.State)))
+	}
+	assert.Equal(uuid, getStateRes.UUID)
+}
+
 func TestSetStateSucessNotStubbedContext(t *testing.T) {
 	assert := assert.New(t)