diff --git a/packages/destination-actions/src/destinations/google-enhanced-conversions/__tests__/userList.test.ts b/packages/destination-actions/src/destinations/google-enhanced-conversions/__tests__/userList.test.ts
index 9a00ad33491..361b214c1a1 100644
--- a/packages/destination-actions/src/destinations/google-enhanced-conversions/__tests__/userList.test.ts
+++ b/packages/destination-actions/src/destinations/google-enhanced-conversions/__tests__/userList.test.ts
@@ -347,6 +347,67 @@ describe('GoogleEnhancedConversions', () => {
       )
     })
 
+    it('sends an event with default mappings - syncMode = mirror and event = updated', async () => {
+      const event = createTestEvent({
+        timestamp,
+        event: 'updated',
+        properties: {
+          gclid: '54321',
+          email: 'test@gmail.com',
+          orderId: '1234',
+          phone: '3234567890',
+          firstName: 'Jane',
+          lastName: 'Doe',
+          currency: 'USD',
+          value: '123',
+          address: {
+            street: '123 Street SW',
+            city: 'San Diego',
+            state: 'CA',
+            postalCode: '982004'
+          }
+        }
+      })
+
+      nock(`https://googleads.googleapis.com/${API_VERSION}/customers/${customerId}/offlineUserDataJobs:create`)
+        .post(/.*/)
+        .reply(200, { data: 'offlineDataJob' })
+
+      nock(`https://googleads.googleapis.com/${API_VERSION}/offlineDataJob:addOperations`)
+        .post(/.*/)
+        .reply(200, { data: 'offlineDataJob' })
+
+      nock(`https://googleads.googleapis.com/${API_VERSION}/offlineDataJob:run`)
+        .post(/.*/)
+        .reply(200, { data: 'offlineDataJob' })
+
+      const responses = await testDestination.testAction('userList', {
+        event,
+        mapping: {
+          ad_user_data_consent_state: 'GRANTED',
+          ad_personalization_consent_state: 'GRANTED',
+          external_audience_id: '1234',
+          __segment_internal_sync_mode: 'mirror',
+          retlOnMappingSave: {
+            outputs: {
+              id: '1234',
+              name: 'Test List',
+              external_id_type: 'CONTACT_INFO'
+            }
+          }
+        },
+        useDefaultMappings: true,
+        settings: {
+          customerId
+        }
+      })
+
+      expect(responses.length).toEqual(3)
+      expect(responses[1].options.body).toMatchInlineSnapshot(
+        `"{\\"operations\\":[{\\"create\\":{\\"userIdentifiers\\":[{\\"hashedEmail\\":\\"87924606b4131a8aceeeae8868531fbb9712aaa07a5d3a756b26ce0f5d6ca674\\"},{\\"hashedPhoneNumber\\":\\"0506a1f3f4c515fd310fce54d253b731f71e33e7e7d2b10848528ca4411120b0\\"},{\\"addressInfo\\":{\\"hashedFirstName\\":\\"4f23798d92708359b734a18172c9c864f1d48044a754115a0d4b843bca3a5332\\",\\"hashedLastName\\":\\"fd53ef835b15485572a6e82cf470dcb41fd218ae5751ab7531c956a2a6bcd3c7\\",\\"countryCode\\":\\"\\",\\"postalCode\\":\\"\\"}}]}}],\\"enable_warnings\\":true}"`
+      )
+    })
+
     it('sends an event with default mappings - syncMode = delete', async () => {
       const event = createTestEvent({
         timestamp,
@@ -1531,7 +1592,52 @@ describe('GoogleEnhancedConversions', () => {
       })
     })
 
-    it('Could not deteremine operation type due to invalid event name or syncMode', async () => {
+    it('treats updated event as add when syncMode = mirror', async () => {
+      nock(`https://googleads.googleapis.com/${API_VERSION}/customers/${customerId}/offlineUserDataJobs:create`)
+        .post(/.*/)
+        .reply(200, { resourceName: 'customers/1234/userLists/1234' })
+
+      nock(`https://googleads.googleapis.com/${API_VERSION}/customers/${customerId}/userLists/1234:addOperations`)
+        .post(/.*/, (body: Record<string, unknown>) => {
+          const operations = body.operations as Array<Record<string, unknown>>
+          return operations.every((op) => 'create' in op && !('remove' in op))
+        })
+        .reply(200, {})
+
+      nock(`https://googleads.googleapis.com/${API_VERSION}/customers/${customerId}/userLists/1234:run`)
+        .post(/.*/)
+        .reply(200, {})
+
+      const events: SegmentEvent[] = [
+        createTestEvent({
+          timestamp,
+          event: 'updated',
+          properties: {
+            email: 'test@gmail.com',
+            phone: '3234567890',
+            firstName: 'Jane',
+            lastName: 'Doe'
+          }
+        })
+      ]
+
+      const responses = await testDestination.executeBatch('userList', {
+        events,
+        mapping: {
+          ...mapping,
+          __segment_internal_sync_mode: 'mirror'
+        },
+        settings: {
+          customerId
+        }
+      })
+
+      expect(responses[0]).toMatchObject({
+        status: 200
+      })
+    })
+
+    it('Could not determine operation type due to invalid event name or syncMode', async () => {
       nock(`https://googleads.googleapis.com/${API_VERSION}/customers/${customerId}/offlineUserDataJobs:create`)
         .post(/.*/)
         .reply(200, { resourceName: 'customers/1234/userLists/1234' })
diff --git a/packages/destination-actions/src/destinations/google-enhanced-conversions/functions.ts b/packages/destination-actions/src/destinations/google-enhanced-conversions/functions.ts
index 697c16b7c49..725a8aa9605 100644
--- a/packages/destination-actions/src/destinations/google-enhanced-conversions/functions.ts
+++ b/packages/destination-actions/src/destinations/google-enhanced-conversions/functions.ts
@@ -571,7 +571,7 @@ const extractUserIdentifiers = (
     if (
       payload.event_name === 'Audience Entered' ||
       syncMode === 'add' ||
-      (syncMode === 'mirror' && payload.event_name === 'new')
+      (syncMode === 'mirror' && (payload.event_name === 'new' || payload.event_name === 'updated'))
     ) {
       addUserIdentifiers.push({ create: { userIdentifiers: identifierFunctions[idType](payload) } })
     } else if (
@@ -969,7 +969,7 @@ const determineOperationType = (payload: UserListPayload, syncMode?: string) =>
   if (
     payload.event_name === 'Audience Entered' ||
     syncMode === 'add' ||
-    (syncMode === 'mirror' && payload.event_name === 'new')
+    (syncMode === 'mirror' && (payload.event_name === 'new' || payload.event_name === 'updated'))
   ) {
     return 'add'
   } else if (