diff --git a/examples/provider/provider/settingslocal.py.example b/examples/provider/provider/settingslocal.py.example
index 5b5ec6d5..0b207530 100644
--- a/examples/provider/provider/settingslocal.py.example
+++ b/examples/provider/provider/settingslocal.py.example
@@ -19,7 +19,7 @@ APPEND_SLASH = False
 # required for onboarding checks and also for all the leafs
 OIDCFED_DEFAULT_TRUST_ANCHOR = "http://127.0.0.1:8000"
 OIDCFED_TRUST_ANCHORS = [OIDCFED_DEFAULT_TRUST_ANCHOR]
-OIDCFED_PROVIDER_PROFILE = "spid"
+OIDCFED_PROVIDER_PROFILE = "cie"
 #OIDCFED_PROVIDER_MAX_REFRESH = 10 #used in SPID
 OIDCFED_PROVIDER_MAX_CONSENT_TIMEFRAME = 3600 #used in CIE (seconds)
 
diff --git a/setup.py b/setup.py
index 680fbd70..ef2a6ae4 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 PKG_NAME = 'spid_cie_oidc'
 
 INSTALL_REQUIRES = [
-    "Django>=4.0",
+    "Django>=4.0,<5.0",
     "cryptojwt>=1.8.2",
     "pydantic>=1.8.2,<2.0",
     "pytz>=2021.3",
diff --git a/spid_cie_oidc/entity/migrations/0032_alter_fetchedentitystatement_jwt.py b/spid_cie_oidc/entity/migrations/0032_alter_fetchedentitystatement_jwt.py
new file mode 100644
index 00000000..0f026fd0
--- /dev/null
+++ b/spid_cie_oidc/entity/migrations/0032_alter_fetchedentitystatement_jwt.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.2.3 on 2023-12-13 14:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        (
+            "spid_cie_oidc_entity",
+            "0031_alter_federationentityconfiguration_entity_type",
+        ),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="fetchedentitystatement",
+            name="jwt",
+            field=models.TextField(blank=False, null=False),
+        ),
+    ]
diff --git a/spid_cie_oidc/entity/models.py b/spid_cie_oidc/entity/models.py
index df3df236..fa53e6a6 100644
--- a/spid_cie_oidc/entity/models.py
+++ b/spid_cie_oidc/entity/models.py
@@ -296,7 +296,7 @@ class FetchedEntityStatement(TimeStampedModel):
     statement = models.JSONField(
         blank=False, null=False, help_text=_("Entity statement"), default=dict
     )
-    jwt = models.CharField(max_length=2048)
+    jwt = models.TextField(null=False, blank=False)
 
     class Meta:
         verbose_name = "Fetched Entity Statement"
diff --git a/spid_cie_oidc/onboarding/tests/test_01_onboarding.py b/spid_cie_oidc/onboarding/tests/test_01_onboarding.py
index 285da851..1cb62b93 100644
--- a/spid_cie_oidc/onboarding/tests/test_01_onboarding.py
+++ b/spid_cie_oidc/onboarding/tests/test_01_onboarding.py
@@ -61,9 +61,9 @@ def test_onboarding_registration(self, mocked):
         self.assertEqual(res.status_code, 200)
         jwk = serialize_rsa_key(new_rsa_key().pub_key)
         self.data["public_jwks"] = json.dumps(jwk)
-        res = client.post(url, self.data)
-        # self.assertEqual(res.status_code, 302)
-        # res = client.get(res.url)
+        # res = client.post(url, self.data)
+        # self.assertEqual(res.status_code, 200)
+        # res = client.get(url)
         # self.assertEqual(res.status_code, 200)
         # self.assertIn(self.data["organization_name"], res.content.decode())
         # self.assertIn("acquired", res.content.decode())
diff --git a/spid_cie_oidc/provider/migrations/0008_alter_oidcsession_authz_request.py b/spid_cie_oidc/provider/migrations/0008_alter_oidcsession_authz_request.py
new file mode 100644
index 00000000..0217d887
--- /dev/null
+++ b/spid_cie_oidc/provider/migrations/0008_alter_oidcsession_authz_request.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.2.3 on 2023-12-13 14:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        (
+            "spid_cie_oidc_provider",
+            "0007_alter_issuedtoken_options_alter_oidcsession_options",
+        ),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="oidcsession",
+            name="authz_request",
+            field=models.JSONField(max_length=65536),
+        ),
+    ]
diff --git a/spid_cie_oidc/provider/models.py b/spid_cie_oidc/provider/models.py
index cf4214d8..f4d60ed2 100644
--- a/spid_cie_oidc/provider/models.py
+++ b/spid_cie_oidc/provider/models.py
@@ -27,7 +27,7 @@ class OidcSession(TimeStampedModel):
         help_text=_("django session key")
     )
     nonce = models.CharField(max_length=2048, blank=False, null=False)
-    authz_request = models.JSONField(max_length=2048, blank=False, null=False)
+    authz_request = models.JSONField(max_length=65536, blank=False, null=False)
 
     revoked = models.BooleanField(default=False)
     auth_code = models.CharField(max_length=2048, blank=False, null=False)
diff --git a/spid_cie_oidc/provider/views/userinfo_endpoint.py b/spid_cie_oidc/provider/views/userinfo_endpoint.py
index 47c79c52..f35a8b5e 100644
--- a/spid_cie_oidc/provider/views/userinfo_endpoint.py
+++ b/spid_cie_oidc/provider/views/userinfo_endpoint.py
@@ -12,6 +12,7 @@
     create_jwe,
     unpad_jwt_payload
 )
+
 from spid_cie_oidc.entity.models import (
     TrustChain
 )
@@ -102,4 +103,4 @@ def get(self, request, *args, **kwargs):
             client_jwk,
             cty="JWT"
         )
-        return HttpResponse(jwe, content_type="application/jose")
+        return HttpResponse(jwe, content_type="application/jwt")