diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87adf7fae6f..224ac1ed4a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.91.1](https://github.com/rudderlabs/rudder-transformer/compare/v1.91.0...v1.91.1) (2025-02-19)
+
+
+### Bug Fixes
+
+* snapchat util function for normalizing phone number ([#4093](https://github.com/rudderlabs/rudder-transformer/issues/4093)) ([17ff7f9](https://github.com/rudderlabs/rudder-transformer/commit/17ff7f96a2a911485592afb379dd2886ee8b9982))
+
 ## [1.91.0](https://github.com/rudderlabs/rudder-transformer/compare/v1.90.2...v1.91.0) (2025-02-17)
 
 
diff --git a/package-lock.json b/package-lock.json
index 512a881f5d4..50daad40afd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rudder-transformer",
-  "version": "1.91.0",
+  "version": "1.91.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rudder-transformer",
-      "version": "1.91.0",
+      "version": "1.91.1",
       "license": "ISC",
       "dependencies": {
         "@amplitude/ua-parser-js": "0.7.24",
diff --git a/package.json b/package.json
index db408842e71..4d78bdc050d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rudder-transformer",
-  "version": "1.91.0",
+  "version": "1.91.1",
   "description": "",
   "homepage": "https://github.com/rudderlabs/rudder-transformer#readme",
   "bugs": {
diff --git a/src/v0/destinations/snapchat_conversion/util.js b/src/v0/destinations/snapchat_conversion/util.js
index 2a9b50e00b0..b7adaf91a5f 100644
--- a/src/v0/destinations/snapchat_conversion/util.js
+++ b/src/v0/destinations/snapchat_conversion/util.js
@@ -41,7 +41,7 @@ function getNormalizedPhoneNumber(message) {
   if (regexExp.test(phoneNumber)) return phoneNumber;
 
   // Remove leading zeros and non-numeric characters
-  return phoneNumber.replace(/\D/g, '').replace(/^0+/, '') || null;
+  return String(phoneNumber).replace(/\D/g, '').replace(/^0+/, '') || null;
 }
 
 function getDataUseValue(message) {
diff --git a/src/v0/destinations/snapchat_conversion/util.test.js b/src/v0/destinations/snapchat_conversion/util.test.js
index 835b56351bb..d886b8f981e 100644
--- a/src/v0/destinations/snapchat_conversion/util.test.js
+++ b/src/v0/destinations/snapchat_conversion/util.test.js
@@ -47,6 +47,16 @@ describe('Snapchat Conversion Utils', () => {
         input: { traits: { phone: '000' } },
         expected: null,
       },
+      {
+        name: 'should handle integer phone numbers',
+        input: { traits: { phone: 1234567890 } },
+        expected: '1234567890',
+      },
+      {
+        name: 'should handle object in place of phone number',
+        input: { traits: { phone: { test: 'test' } } },
+        expected: null,
+      },
     ];
 
     testCases.forEach(({ name, input, expected }) => {