diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bf8ed620..e9878af6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
   unittest:
     strategy:
       matrix:
-        go-version: [1.13, 1.14, 1.15, 1.16, 1.17]
+        go-version: ['1.18', '1.19', '1.20', '1.21.0', '1.22.0']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87ba507d..fce6ec92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [7.47.0](https://github.com/plivo/plivo-go/tree/v7.47.0) (2024-05-02)
+**Feature - Added SubAccount and GeoMatch for Create Masking Session API of Number Masking.**
+-  Added sub_account and geo_match support in MaskingSession APIs
+
 ## [7.46.0](https://github.com/plivo/plivo-go/tree/v7.46.0) (2024-04-18)
 **Feature - Support for dynamic button components when sending a templated WhatsApp message**
 - Added new param `payload` in templates to support dynamic payload in templates
diff --git a/baseclient.go b/baseclient.go
index 3696460d..897d65fa 100644
--- a/baseclient.go
+++ b/baseclient.go
@@ -13,7 +13,7 @@ import (
 	"github.com/google/go-querystring/query"
 )
 
-const sdkVersion = "7.46.0"
+const sdkVersion = "7.47.0"
 
 const lookupBaseUrl = "lookup.plivo.com"
 
diff --git a/maskingsession.go b/maskingsession.go
index d6f7c29a..9d47a9b2 100644
--- a/maskingsession.go
+++ b/maskingsession.go
@@ -43,6 +43,7 @@ type MaskingSession struct {
 	IncorrectPinPlay            string                     `json:"incorrect_pin_play" url:"incorrect_pin_play"`
 	UnknownCallerPlay           string                     `json:"unknown_caller_play" url:"unknown_caller_play"`
 }
+
 type CreateMaskingSessionParams struct {
 	FirstParty                  string `json:"first_party,omitempty" url:"first_party,omitempty"`
 	SecondParty                 string `json:"second_party,omitempty" url:"second_party,omitempty"`
@@ -68,6 +69,8 @@ type CreateMaskingSessionParams struct {
 	PinRetryWait                int64  `json:"pin_retry_wait,omitempty" url:"pin_retry_wait,omitempty"`
 	IncorrectPinPlay            string `json:"incorrect_pin_play,omitempty" url:"incorrect_pin_play,omitempty"`
 	UnknownCallerPlay           string `json:"unknown_caller_play,omitempty" url:"unknown_caller_play,omitempty"`
+	SubAccount                  string `json:"subaccount,omitempty" url:"subaccount,omitempty"`
+	GeoMatch                    *bool  `json:"geomatch,omitempty" url:"geomatch,omitempty"`
 }
 
 type UpdateMaskingSessionParams struct {
@@ -82,6 +85,8 @@ type UpdateMaskingSessionParams struct {
 	FirstPartyPlayUrl       string `json:"first_party_play_url,omitempty" url:"first_party_play_url,omitempty"`
 	SecondPartyPlayUrl      string `json:"second_party_play_url,omitempty" url:"second_party_play_url,omitempty"`
 	RecordingCallbackMethod string `json:"recording_callback_method,omitempty" url:"recording_callback_method,omitempty"`
+	SubAccount              string `json:"subaccount,omitempty" url:"subaccount,omitempty"`
+	GeoMatch                *bool  `json:"geomatch,omitempty" url:"geomatch,omitempty"`
 }
 
 type ListSessionFilterParams struct {
@@ -107,6 +112,7 @@ type ListSessionFilterParams struct {
 	DurationGreaterOrEqual    int64  `json:"duration__gte,omitempty" url:"duration__gte,omitempty"`
 	Limit                     int64  `json:"limit,omitempty" url:"limit,omitempty"`
 	Offset                    int64  `json:"offset,omitempty" url:"offset,omitempty"`
+	SubAccount                string `json:"subaccount,omitempty" url:"subaccount,omitempty"`
 }
 
 type VoiceInteractionResponse struct {
diff --git a/maskingsession_test.go b/maskingsession_test.go
index af4b1a81..720bc8b7 100644
--- a/maskingsession_test.go
+++ b/maskingsession_test.go
@@ -5,6 +5,66 @@ import (
 	"testing"
 )
 
+func TestMaskingSessionService_CreateMaskingSession_GeoMatch(t *testing.T) {
+	t.Run("GeoMatch::False", func(t *testing.T) {
+		falseValue := false
+		_, err := client.MaskingSession.CreateMaskingSession(CreateMaskingSessionParams{
+			FirstParty:  "+919999323467",
+			SecondParty: "+919891865130",
+			GeoMatch:    &falseValue,
+		})
+		if err != nil {
+			t.Logf("err :: %v", err)
+		}
+	})
+
+	t.Run("GeoMatch::True", func(t *testing.T) {
+		trueValue := true
+		_, err := client.MaskingSession.CreateMaskingSession(CreateMaskingSessionParams{
+			FirstParty:  "+919999323467",
+			SecondParty: "+919891865130",
+			GeoMatch:    &trueValue,
+		})
+		if err != nil {
+			t.Logf("err :: %v", err)
+		}
+	})
+
+	t.Run("GeoMatch::nil", func(t *testing.T) {
+		_, err := client.MaskingSession.CreateMaskingSession(CreateMaskingSessionParams{
+			FirstParty:  "+919999323467",
+			SecondParty: "+919891865130",
+			GeoMatch:    nil,
+		})
+		if err != nil {
+			t.Logf("err :: %v", err)
+		}
+	})
+}
+
+func TestMaskingSessionService_CreateMaskingSession_SubAccount(t *testing.T) {
+	t.Run("SubAccount::Empty", func(t *testing.T) {
+		_, err := client.MaskingSession.CreateMaskingSession(CreateMaskingSessionParams{
+			FirstParty:  "+919999323467",
+			SecondParty: "+919891865130",
+		})
+		if err != nil {
+			t.Logf("err :: %v", err)
+		}
+	})
+
+	t.Run("SubAccount::Valid SubAccount", func(t *testing.T) {
+		_, err := client.MaskingSession.CreateMaskingSession(CreateMaskingSessionParams{
+			FirstParty:  "+919999323467",
+			SecondParty: "+919891865130",
+			SubAccount:  "SAZTA0ZJJHMDETOWQ4YI",
+		})
+		if err != nil {
+			t.Logf("err :: %v", err)
+		}
+	})
+}
+
 func TestMaskingSessionService_CreateMaskingSession(t *testing.T) {
 	expectResponse("createMaskingSessionResponse.json", 200)