diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cc4f5c2..37dbaa7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,12 +12,12 @@ jobs:
       max-parallel: 4
       matrix:
         python: ["3.8", "3.9", "3.10", "3.11"]
-        plone: ["52", "60"]
-        exclude:
-          - python: "3.10"
-            plone: "52"
-          - python: "3.11"
-            plone: "52"
+        plone: ["60"]
+        # exclude:
+        #   - python: "3.10"
+        #     plone: "52"
+        #   - python: "3.11"
+        #     plone: "52"
     steps:
       - uses: actions/checkout@v3
       - name: Cache eggs
diff --git a/CHANGES.rst b/CHANGES.rst
index 79f7903..7733574 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,7 +4,8 @@ Changelog
 1.3.3 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Fix serializer/deserializer for footerTop blocks: use blocks handlers to fix data.
+  [cekk]
 
 
 1.3.2 (2024-03-14)
diff --git a/base.cfg b/base.cfg
index e6ac592..e11e89f 100644
--- a/base.cfg
+++ b/base.cfg
@@ -50,7 +50,7 @@ recipe = plone.recipe.codeanalysis
 directory = ${buildout:directory}/src
 flake8-exclude=bootstrap.py,bootstrap-buildout.py,docs,bin,*.egg,setup.py,overrides,omelette
 flake8-max-complexity = 25
-flake8-ignore = E203, E266, E501, W503, E999
+flake8-ignore = E203, E266, E501, W503, E999, C101
 flake8-max-line-length = 200
 # flake8-select = B,C,E,F,W,T4,B9
 flake8-extensions =
diff --git a/setup.cfg b/setup.cfg
index bd9250c..7f3f5c2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,13 +6,8 @@ ignore =
     .gitattributes
 
 [isort]
-# for details see
-# http://docs.plone.org/develop/styleguide/python.html#grouping-and-sorting
-force_alphabetical_sort = True
-force_single_line = True
-lines_after_imports = 2
-line_length = 200
-not_skip = __init__.py
+# black compatible isort rules:
+profile = plone
 
 [flake8]
 # black compatible flake8 rules:
@@ -22,10 +17,11 @@ ignore =
     E501
     T001
     C813
+    C101
 # E203, E266
 exclude = bootstrap.py,docs,*.egg.,omelette
 max-line-length = 88
 max-complexity = 18
 select = B,C,E,F,W,T4,B9
-builtins = unicode,basestring
 
+builtins = unicode,basestring
diff --git a/setup.py b/setup.py
index e255fe7..6b0bedb 100644
--- a/setup.py
+++ b/setup.py
@@ -52,8 +52,7 @@
     install_requires=[
         "setuptools",
         "plone.api >= 1.8.4",
-        "plone.restapi",
-        "plone.app.dexterity",
+        "plone.restapi>=9.5.0",
         "plone.volto",
     ],
     extras_require={
diff --git a/src/redturtle/voltoplugin/editablefooter/browser/controlpanel.py b/src/redturtle/voltoplugin/editablefooter/browser/controlpanel.py
index 7e886a3..d43bff6 100644
--- a/src/redturtle/voltoplugin/editablefooter/browser/controlpanel.py
+++ b/src/redturtle/voltoplugin/editablefooter/browser/controlpanel.py
@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 from plone.app.registry.browser import controlpanel
-from redturtle.voltoplugin.editablefooter.interfaces import (
-    IEditableFooterSettings,
-)
 from redturtle.voltoplugin.editablefooter import _
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
 
 
 class EditableFooterForm(controlpanel.RegistryEditForm):
diff --git a/src/redturtle/voltoplugin/editablefooter/restapi/__init__.py b/src/redturtle/voltoplugin/editablefooter/restapi/__init__.py
index e69de29..35449c7 100644
--- a/src/redturtle/voltoplugin/editablefooter/restapi/__init__.py
+++ b/src/redturtle/voltoplugin/editablefooter/restapi/__init__.py
@@ -0,0 +1,14 @@
+from plone.restapi.blocks import iter_block_transform_handlers
+from plone.restapi.blocks import visit_blocks
+
+
+def fix_footer_top_blocks(context, blocks, transformer):
+    if not blocks:
+        return blocks
+    for block in visit_blocks(context, blocks):
+        new_block = block.copy()
+        for handler in iter_block_transform_handlers(context, block, transformer):
+            new_block = handler(new_block)
+        block.clear()
+        block.update(new_block)
+    return blocks
diff --git a/src/redturtle/voltoplugin/editablefooter/restapi/controlpanel.py b/src/redturtle/voltoplugin/editablefooter/restapi/controlpanel.py
index 97bd516..b18a6a8 100644
--- a/src/redturtle/voltoplugin/editablefooter/restapi/controlpanel.py
+++ b/src/redturtle/voltoplugin/editablefooter/restapi/controlpanel.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 from plone.restapi.controlpanels import RegistryConfigletPanel
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
 from redturtle.voltoplugin.editablefooter.interfaces import (
     IRedturtleVoltoEditablefooterLayer,
-    IEditableFooterSettings,
 )
 from zope.component import adapter
 from zope.interface import implementer
diff --git a/src/redturtle/voltoplugin/editablefooter/restapi/deserializer.py b/src/redturtle/voltoplugin/editablefooter/restapi/deserializer.py
index 48ee160..92aa3c2 100644
--- a/src/redturtle/voltoplugin/editablefooter/restapi/deserializer.py
+++ b/src/redturtle/voltoplugin/editablefooter/restapi/deserializer.py
@@ -1,12 +1,12 @@
 # -*- coding: utf-8 -*-
+from plone import api
 from plone.restapi.deserializer import json_body
-from plone.restapi.deserializer.controlpanels import (
-    ControlpanelDeserializeFromJson,
-)
+from plone.restapi.deserializer.controlpanels import ControlpanelDeserializeFromJson
+from plone.restapi.interfaces import IBlockFieldDeserializationTransformer
 from plone.restapi.interfaces import IDeserializeFromJson
-from redturtle.voltoplugin.editablefooter.interfaces import (
-    IEditableFooterSettings,
-)
+from redturtle.voltoplugin.editablefooter import _
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
+from redturtle.voltoplugin.editablefooter.restapi import fix_footer_top_blocks
 from zExceptions import BadRequest
 from zope.component import adapter
 from zope.interface import implementer
@@ -21,10 +21,39 @@ def __call__(self):
         req = json_body(self.controlpanel.request)
         proxy = self.registry.forInterface(self.schema, prefix=self.schema_prefix)
         errors = []
-        data = req.get("footer_columns", {})
+        data = req.get("footer_columns", [])
         if not data:
-            errors.append({"message": "Missing data", "field": "footer_columns"})
+            errors.append(
+                {
+                    "message": api.portal.translate(
+                        _("missing_data_label", default="Missing data")
+                    ),
+                    "field": "footer_columns",
+                }
+            )
             raise BadRequest(errors)
+        if not isinstance(data, list):
+            errors.append(
+                {
+                    "message": api.portal.translate(
+                        _(
+                            "wrong_type_data_label",
+                            default="Wrong type: need to be a list of values",
+                        )
+                    ),
+                    "field": "footer_columns",
+                }
+            )
+            raise BadRequest(errors)
+        for path_setting in data:
+            footer_top = path_setting.get("footerTop", {}).get("blocks", {})
+            if footer_top:
+                path_setting["footerTop"]["blocks"] = fix_footer_top_blocks(
+                    context=self.context,
+                    blocks=footer_top,
+                    transformer=IBlockFieldDeserializationTransformer,
+                )
+
         try:
             # later we need to do some validations
             setattr(proxy, "footer_columns", json.dumps(data))
diff --git a/src/redturtle/voltoplugin/editablefooter/restapi/get.py b/src/redturtle/voltoplugin/editablefooter/restapi/get.py
index 097a635..b0ec14f 100644
--- a/src/redturtle/voltoplugin/editablefooter/restapi/get.py
+++ b/src/redturtle/voltoplugin/editablefooter/restapi/get.py
@@ -1,14 +1,16 @@
 # -*- coding: utf-8 -*-
-from redturtle.voltoplugin.editablefooter.interfaces import (
-    IEditableFooterSettings,
-)
 from plone import api
 from plone.registry.interfaces import IRegistry
+from plone.restapi.interfaces import IBlockFieldSerializationTransformer
+from plone.restapi.serializer.converters import json_compatible
 from plone.restapi.services import Service
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
+from redturtle.voltoplugin.editablefooter.restapi import fix_footer_top_blocks
 from zope.component import getUtility
 from zope.interface import implementer
 from zope.publisher.interfaces import IPublishTraverse
 
+
 try:
     from plone.volto.interfaces import IVoltoSettings
 
@@ -21,9 +23,6 @@
 
 @implementer(IPublishTraverse)
 class FooterColumns(Service):
-    def __init__(self, context, request):
-        super(FooterColumns, self).__init__(context, request)
-
     def reply(self):
         record = api.portal.get_registry_record(
             "footer_columns", interface=IEditableFooterSettings, default=""
@@ -34,6 +33,14 @@ def reply(self):
         portal_url = self.get_portal_url()
         for el in data or []:
             if isinstance(el, dict):
+                footer_top = el.get("footerTop", {}).get("blocks", {})
+                if footer_top:
+                    el["footerTop"]["blocks"] = fix_footer_top_blocks(
+                        context=self.context,
+                        blocks=footer_top,
+                        transformer=IBlockFieldSerializationTransformer,
+                    )
+
                 for item in el.get("items") or []:
                     if (
                         isinstance(item, dict)
@@ -44,7 +51,7 @@ def reply(self):
                         item["text"]["data"] = item["text"]["data"].replace(
                             'href="/', f'href="{portal_url}/'
                         )
-        return data
+        return json_compatible(data)
 
     def get_portal_url(self):
         portal_url = api.portal.get().absolute_url()
diff --git a/src/redturtle/voltoplugin/editablefooter/restapi/serializer.py b/src/redturtle/voltoplugin/editablefooter/restapi/serializer.py
index 0428c16..d0a2149 100644
--- a/src/redturtle/voltoplugin/editablefooter/restapi/serializer.py
+++ b/src/redturtle/voltoplugin/editablefooter/restapi/serializer.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
-from redturtle.voltoplugin.editablefooter.interfaces import (
-    IEditableFooterSettings,
-)
+from plone import api
+from plone.restapi.interfaces import IBlockFieldSerializationTransformer
 from plone.restapi.interfaces import ISerializeToJson
 from plone.restapi.serializer.controlpanels import ControlpanelSerializeToJson
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
+from redturtle.voltoplugin.editablefooter.restapi import fix_footer_top_blocks
 from zope.component import adapter
 from zope.interface import implementer
 
@@ -14,8 +15,20 @@
 @adapter(IEditableFooterSettings)
 class EditableFooterControlpanelSerializeToJson(ControlpanelSerializeToJson):
     def __call__(self):
-        json_data = super(EditableFooterControlpanelSerializeToJson, self).__call__()
+        json_data = super().__call__()
         conf = json_data["data"].get("footer_columns", "")
-        if conf:
-            json_data["data"]["footer_columns"] = json.loads(conf)
+        if not conf:
+            return json_data
+        footer_columns = json.loads(conf)
+
+        for path_setting in footer_columns:
+            footer_top = path_setting.get("footerTop", {}).get("blocks", {})
+            if footer_top:
+                path_setting["footerTop"]["blocks"] = fix_footer_top_blocks(
+                    context=api.portal.get(),
+                    blocks=footer_top,
+                    transformer=IBlockFieldSerializationTransformer,
+                )
+
+        json_data["data"]["footer_columns"] = footer_columns
         return json_data
diff --git a/src/redturtle/voltoplugin/editablefooter/testing.py b/src/redturtle/voltoplugin/editablefooter/testing.py
index 2e74cee..592619e 100644
--- a/src/redturtle/voltoplugin/editablefooter/testing.py
+++ b/src/redturtle/voltoplugin/editablefooter/testing.py
@@ -7,9 +7,9 @@
 from plone.restapi.testing import PloneRestApiDXLayer
 from plone.testing import z2
 
-import redturtle.voltoplugin.editablefooter
 import plone.restapi
 import plone.volto
+import redturtle.voltoplugin.editablefooter
 
 
 class VoltoEditableFooterLayer(PloneSandboxLayer):
diff --git a/src/redturtle/voltoplugin/editablefooter/tests/test_controlpanel_api.py b/src/redturtle/voltoplugin/editablefooter/tests/test_controlpanel_api.py
index d3ca613..ec3b725 100644
--- a/src/redturtle/voltoplugin/editablefooter/tests/test_controlpanel_api.py
+++ b/src/redturtle/voltoplugin/editablefooter/tests/test_controlpanel_api.py
@@ -5,12 +5,10 @@
 from plone.app.testing import SITE_OWNER_PASSWORD
 from plone.app.testing import TEST_USER_ID
 from plone.restapi.testing import RelativeSession
+from redturtle.voltoplugin.editablefooter.interfaces import IEditableFooterSettings
 from redturtle.voltoplugin.editablefooter.testing import (
     VOLTO_EDITABLEFOOTER_API_FUNCTIONAL_TESTING,
 )
-from redturtle.voltoplugin.editablefooter.interfaces import (
-    IEditableFooterSettings,
-)
 from transaction import commit
 
 import json
@@ -63,6 +61,11 @@ def setUp(self):
         self.api_session.headers.update({"Accept": "application/json"})
         self.api_session.auth = (SITE_OWNER_NAME, SITE_OWNER_PASSWORD)
 
+        self.document = api.content.create(
+            container=self.portal, type="Document", title="document"
+        )
+        commit()
+
     def tearDown(self):
         self.api_session.close()
 
@@ -82,16 +85,114 @@ def test_set_wrong_data(self):
         self.assertEqual(response.status_code, 400)
 
     def test_deserializer_convert_dict_into_json_string(self):
-        data = {"foo": "", "bar": 2}
+        data = [{"foo": "", "bar": 2}]
         self.api_session.patch(self.controlpanel_url, json={"footer_columns": data})
         commit()
         self.assertEqual(
             self.get_record_value(field="footer_columns"), json.dumps(data)
         )
 
+    def test_deserializer_raise_error_if_footer_columns_not_a_list(self):
+        data = {"foo": "", "bar": 2}
+        res = self.api_session.patch(
+            self.controlpanel_url, json={"footer_columns": data}
+        )
+        self.assertEqual(res.status_code, 400)
+
+    def test_deserializer_save_resolveuid_in_footerTop_internal_links(self):
+        data = [
+            {
+                "footerTop": {
+                    "blocks": {
+                        "2955de0f-ea5e-475f-8efd-34c7060b99b9": {
+                            "@type": "slate",
+                            "plaintext": " link ",
+                            "value": [
+                                {
+                                    "children": [
+                                        {
+                                            "type": "link",
+                                            "data": {
+                                                "url": self.document.absolute_url(),
+                                                "dataElement": "",
+                                            },
+                                            "children": [{"text": "link"}],
+                                        },
+                                    ],
+                                    "type": "p",
+                                }
+                            ],
+                        }
+                    },
+                    "blocks_layout": {
+                        "items": ["2955de0f-ea5e-475f-8efd-34c7060b99b9"]
+                    },
+                },
+                "rootPath": "/",
+            }
+        ]
+        res = self.api_session.patch(
+            self.controlpanel_url, json={"footer_columns": data}
+        )
+        commit()
+
+        stored_value = json.loads(self.get_record_value(field="footer_columns"))
+
+        self.assertEqual(res.status_code, 204)
+        self.assertEqual(
+            stored_value[0]["footerTop"]["blocks"][
+                "2955de0f-ea5e-475f-8efd-34c7060b99b9"
+            ]["value"][0]["children"][0]["data"]["url"],
+            f"resolveuid/{self.document.UID()}",
+        )
+
+    def test_serializer_return_expanded_resolveuid_in_footerTop_internal_links(self):
+        data = [
+            {
+                "footerTop": {
+                    "blocks": {
+                        "2955de0f-ea5e-475f-8efd-34c7060b99b9": {
+                            "@type": "slate",
+                            "plaintext": " link ",
+                            "value": [
+                                {
+                                    "children": [
+                                        {
+                                            "type": "link",
+                                            "data": {
+                                                "url": self.document.absolute_url(),
+                                                "dataElement": "",
+                                            },
+                                            "children": [{"text": "link"}],
+                                        },
+                                    ],
+                                    "type": "p",
+                                }
+                            ],
+                        }
+                    },
+                    "blocks_layout": {
+                        "items": ["2955de0f-ea5e-475f-8efd-34c7060b99b9"]
+                    },
+                },
+                "rootPath": "/",
+            }
+        ]
+        self.api_session.patch(self.controlpanel_url, json={"footer_columns": data})
+        commit()
+
+        res = self.api_session.get(self.controlpanel_url).json()
+
+        self.assertEqual(
+            res["data"]["footer_columns"][0]["footerTop"]["blocks"][
+                "2955de0f-ea5e-475f-8efd-34c7060b99b9"
+            ]["value"][0]["children"][0]["data"]["url"],
+            self.document.absolute_url(),
+        )
+
     def test_serializer_convert_string_into_json_object(self):
         self.assertEqual(self.get_record_value(field="footer_columns"), "")
-        value = {"foo": "bar"}
+        value = [{"foo": "bar"}]
         self.set_record_value(field="footer_columns", value=json.dumps(value))
 
         response = self.api_session.get(self.controlpanel_url)
diff --git a/src/redturtle/voltoplugin/editablefooter/tests/test_footer_columns_route.py b/src/redturtle/voltoplugin/editablefooter/tests/test_footer_columns_route.py
index d2e236d..45b0506 100644
--- a/src/redturtle/voltoplugin/editablefooter/tests/test_footer_columns_route.py
+++ b/src/redturtle/voltoplugin/editablefooter/tests/test_footer_columns_route.py
@@ -14,7 +14,6 @@
 from transaction import commit
 from zope.component import getUtility
 
-
 import json
 import unittest
 
@@ -44,6 +43,11 @@ def setUp(self):
         ]
         self.set_record_value(field="footer_columns", value=json.dumps(self.value))
 
+        self.document = api.content.create(
+            container=self.portal, type="Document", title="document"
+        )
+        commit()
+
     def tearDown(self):
         self.api_session.close()
 
@@ -67,6 +71,49 @@ def test_return_json_data(self):
             json.dumps(self.value).replace('href=\\"/', f'href=\\"{self.portal_url}/'),
         )
 
+    def test_return_expanded_resolveuid_in_footerTop_internal_links(self):
+        data = [
+            {
+                "footerTop": {
+                    "blocks": {
+                        "2955de0f-ea5e-475f-8efd-34c7060b99b9": {
+                            "@type": "slate",
+                            "plaintext": " link ",
+                            "value": [
+                                {
+                                    "children": [
+                                        {
+                                            "type": "link",
+                                            "data": {
+                                                "url": self.document.absolute_url(),
+                                                "dataElement": "",
+                                            },
+                                            "children": [{"text": "link"}],
+                                        },
+                                    ],
+                                    "type": "p",
+                                }
+                            ],
+                        }
+                    },
+                    "blocks_layout": {
+                        "items": ["2955de0f-ea5e-475f-8efd-34c7060b99b9"]
+                    },
+                },
+                "rootPath": "/",
+            }
+        ]
+        self.set_record_value(field="footer_columns", value=json.dumps(data))
+
+        response = self.api_session.get("/@footer-columns").json()
+
+        self.assertEqual(
+            response[0]["footerTop"]["blocks"]["2955de0f-ea5e-475f-8efd-34c7060b99b9"][
+                "value"
+            ][0]["children"][0]["data"]["url"],
+            self.document.absolute_url(),
+        )
+
 
 class FooterColumnsEndpointTestWithPloneVolto(FooterColumnsEndpointTest):
     layer = VOLTO_EDITABLEFOOTER_API_FUNCTIONAL_TESTING
diff --git a/test_plone60.cfg b/test_plone60.cfg
index 5081fdc..cf2d6de 100644
--- a/test_plone60.cfg
+++ b/test_plone60.cfg
@@ -8,6 +8,7 @@ extends =
 update-versions-file = test_plone60.cfg
 
 [versions]
+plone.restapi = 9.5.0
 
 # Added by buildout at 2024-01-17 12:29:47.135659
 build = 1.0.3