diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6145f758..2dcae2ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## [4.52.0](https://github.com/plivo/plivo-php/tree/v4.52.0) (2023-07-18)
+-  Removed object_id and object_type in the parameter as well as response in [list all numbers API]
+
 ## [v4.51.0](https://github.com/plivo/plivo-php/tree/v4.51.0) (2023-06-28)
 **Audio Streaming**
 - API support for starting, deleting, getting streams on a live call
diff --git a/src/Plivo/Resources/Number/Number.php b/src/Plivo/Resources/Number/Number.php
index c26ae4ab..81c88794 100644
--- a/src/Plivo/Resources/Number/Number.php
+++ b/src/Plivo/Resources/Number/Number.php
@@ -77,12 +77,6 @@ function __construct(BaseClient $client, array $response, $authId)
             'renewalDate' => $response['renewal_date'],
             'cnamLookup' => isset($response['cnam_lookup']) ? $response['cnam_lookup'] : null,
         ];
-        if (isset($response['object_id'])) {
-            $this->properties['objectId'] =  $response['object_id'];
-        }
-        if (isset($response['object_type'])) {
-            $this->properties['objectType'] =  $response['object_type'];
-        }
         $this->pathParams = [
             'authId' => $authId,
             'number' => $response['number']
diff --git a/src/Plivo/Version.php b/src/Plivo/Version.php
index b6906849..38ae7a1f 100644
--- a/src/Plivo/Version.php
+++ b/src/Plivo/Version.php
@@ -20,7 +20,7 @@ class Version
     /**
      * @const int PHP helper library minor version number
      */
-    const MINOR = 51;
+    const MINOR = 52;
 
     /**
      * @const int PHP helper library patch number
diff --git a/tests/Mocks/numberGetResponse.json b/tests/Mocks/numberGetResponse.json
index fa632667..03d0b660 100644
--- a/tests/Mocks/numberGetResponse.json
+++ b/tests/Mocks/numberGetResponse.json
@@ -23,8 +23,6 @@
   "compliance_application_id": "20372631212782797",
   "compliance_status": "submitted",
   "renewal_date": "2014-03-14",
-  "object_id": "9565321542215",
-  "object_type": "trunk",
   "tendlc_campaign_id": "CWDPZZX",
   "tendlc_registration_status": "UNREGISTERED",
   "toll_free_sms_verification": null
diff --git a/tests/Mocks/numberListResponse.json b/tests/Mocks/numberListResponse.json
index 257eb24f..370ded1f 100644
--- a/tests/Mocks/numberListResponse.json
+++ b/tests/Mocks/numberListResponse.json
@@ -32,8 +32,6 @@
       "compliance_application_id": "20372631212782797",
       "compliance_status": "submitted",
       "renewal_date": "2014-09-05",
-      "object_id": "9565321542215",
-      "object_type": "trunk",
       "tendlc_campaign_id": "CWDPZZX",
       "tendlc_registration_status": "COMPLETED",
       "toll_free_sms_verification": null
@@ -62,8 +60,6 @@
       "compliance_application_id": "20372631212782797",
       "compliance_status": "submitted",
       "renewal_date": "2013-02-01",
-      "object_id": "9565321542215",
-      "object_type": "trunk",
       "tendlc_campaign_id": "CWDPZZX",
       "tendlc_registration_status": "PROCESSING",
       "toll_free_sms_verification": null
@@ -92,8 +88,6 @@
       "compliance_application_id": "20372631212782799",
       "compliance_status": "submitted",
       "renewal_date": "2013-04-25",
-      "object_id": "9565321542215",
-      "object_type": "trunk",
       "tendlc_campaign_id": null,
       "tendlc_registration_status": null,
       "toll_free_sms_verification": "unverified"