diff --git a/modules/party/contact_mechanism.py b/modules/party/contact_mechanism.py
index 64da90d810..319c4ca2a1 100644
--- a/modules/party/contact_mechanism.py
+++ b/modules/party/contact_mechanism.py
@@ -178,7 +178,8 @@ def _phone_country_codes(self):
                 if address.country:
                     yield address.country.code
 
-    @fields.depends(methods=['_phone_country_codes'])
+    @fields.depends('party', '_parent_party.addresses',
+        methods=['_phone_country_codes'])
     def _parse_phonenumber(self, value):
         for country_code in chain(self._phone_country_codes(), [None]):
             try:
@@ -191,7 +192,8 @@ def _parse_phonenumber(self, value):
                     return phonenumber
         return None
 
-    @fields.depends(methods=['_parse_phonenumber'])
+    @fields.depends('party', '_parent_party.addresses',
+        methods=['_parse_phonenumber'])
     def format_value(self, value=None, type_=None):
         if phonenumbers and type_ in _PHONE_TYPES:
             phonenumber = self._parse_phonenumber(value)
@@ -200,7 +202,8 @@ def format_value(self, value=None, type_=None):
                     phonenumber, PhoneNumberFormat.INTERNATIONAL)
         return value
 
-    @fields.depends(methods=['_parse_phonenumber'])
+    @fields.depends('party', '_parent_party.addresses',
+        methods=['_parse_phonenumber'])
     def format_value_compact(self, value=None, type_=None):
         if phonenumbers and type_ in _PHONE_TYPES:
             phonenumber = self._parse_phonenumber(value)