diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index 29fa34b..fad8f11 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       # python cache
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
diff --git a/.github/workflows/pyroma.yml b/.github/workflows/pyroma.yml
index 81bd325..6f64267 100644
--- a/.github/workflows/pyroma.yml
+++ b/.github/workflows/pyroma.yml
@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       # python cache
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a3469b9..60e7104 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,8 +3,8 @@ name: Tests
 on:
   push:
     paths-ignore:
-      - '**.md'
-      - '**.rst'
+      - "**.md"
+      - "**.rst"
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache eggs
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: eggs
           key: ${{ runner.OS }}-build-python${{ matrix.python }}-${{ matrix.plone }}
diff --git a/.github/workflows/zpretty.yml b/.github/workflows/zpretty.yml
index 23a03bb..99de6a8 100644
--- a/.github/workflows/zpretty.yml
+++ b/.github/workflows/zpretty.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8]
+        python-version: [3.11]
 
     steps:
       # git checkout
@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       # python cache
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -37,4 +37,4 @@ jobs:
       # XXX: this doesn't work on gh actions (https://github.com/plone/plone.restapi/pull/1119/checks?check_run_id=2686474411)
       # run git diff
       - name: run git diff
-        run: git diff --exit-code
\ No newline at end of file
+        run: git diff --exit-code
diff --git a/CHANGES.rst b/CHANGES.rst
index 891f016..d6f44d1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,7 +5,8 @@ Changelog
 1.0.5 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Add Bando serializer to return bando_state and approfondimento.
+  [cekk]
 
 
 1.0.4 (2024-11-22)
diff --git a/setup.cfg b/setup.cfg
index bd9250c..c726a5e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,17 +15,10 @@ line_length = 200
 not_skip = __init__.py
 
 [flake8]
-# black compatible flake8 rules:
-ignore =
-    W503,
-    C812,
-    E501
-    T001
-    C813
-# 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
-
+max-complexity = 15
+max-line-length = 100000
+extend-ignore =
+    E203,
+    C901,
+    C101
diff --git a/src/iosanita/contenttypes/restapi/serializers/bando.py b/src/iosanita/contenttypes/restapi/serializers/bando.py
new file mode 100644
index 0000000..33949fe
--- /dev/null
+++ b/src/iosanita/contenttypes/restapi/serializers/bando.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+from plone.restapi.interfaces import ISerializeToJson
+from plone.restapi.serializer.dxcontent import SerializeFolderToJson
+from redturtle.bandi.interfaces.bandoSchema import IBandoSchema
+from zope.component import adapter
+from zope.interface import implementer
+from zope.interface import Interface
+
+
+@implementer(ISerializeToJson)
+@adapter(IBandoSchema, Interface)
+class BandoSerializeToJson(SerializeFolderToJson):
+    def get_approfondimenti(self, bando_view):
+        """ """
+        folders = bando_view.retrieveFolderDeepening()
+        results = []
+
+        for folder in folders:
+            contents = bando_view.retrieveContentsOfFolderDeepening(folder["path"])
+            if not contents:
+                continue
+            # fix results for enhancedlinks
+            for content in contents:
+                content["getObjSize"] = content.get("filesize", "")
+                content["mime_type"] = content.get("content-type", "")
+                content["enhanced_links_enabled"] = "filesize" in content
+            folder.update({"children": contents})
+            results.append(folder)
+        return results
+
+    def __call__(self, version=None, include_items=True):
+        result = super().__call__(version=version, include_items=include_items)
+        bando_view = self.context.restrictedTraverse("bando_view")
+        result["approfondimento"] = self.get_approfondimenti(bando_view)
+        result["bando_state"] = bando_view.getBandoState()
+        return result
diff --git a/src/iosanita/contenttypes/restapi/serializers/configure.zcml b/src/iosanita/contenttypes/restapi/serializers/configure.zcml
index b78cd47..e3d6916 100644
--- a/src/iosanita/contenttypes/restapi/serializers/configure.zcml
+++ b/src/iosanita/contenttypes/restapi/serializers/configure.zcml
@@ -2,7 +2,7 @@
     xmlns="http://namespaces.zope.org/zope"
     xmlns:zcml="http://namespaces.zope.org/zcml"
     >
-
+  <adapter factory=".bando.BandoSerializeToJson" />
   <adapter factory=".news.NewsItemSerializeToJson" />
   <adapter factory=".summary.IOSanitaJSONSummarySerializer" />
   <adapter factory=".summary.PuntoDiContattoJSONSummarySerializer" />