diff --git a/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py b/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
index ac0155e368..b9e17df87c 100644
--- a/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
+++ b/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
@@ -1320,6 +1320,7 @@ class TestAccountRetirementPost(RetirementTestCase):
             'city': None,
             'country': None,
             'bio': None,
+            'phone_number': None,
         }
         self.assertEqual(expected_user_profile_pii, USER_PROFILE_PII)
 
diff --git a/openedx/core/djangoapps/user_api/accounts/views.py b/openedx/core/djangoapps/user_api/accounts/views.py
index c9e623a444..c319af66d6 100644
--- a/openedx/core/djangoapps/user_api/accounts/views.py
+++ b/openedx/core/djangoapps/user_api/accounts/views.py
@@ -94,6 +94,7 @@ USER_PROFILE_PII = {
     'city': None,
     'country': None,
     'bio': None,
+    'phone_number': None,
 }