diff --git a/tests/test_default_adapter.py b/tests/test_default_adapter.py
index b3fd37a..dbadcac 100644
--- a/tests/test_default_adapter.py
+++ b/tests/test_default_adapter.py
@@ -196,6 +196,8 @@ def test_provision_absent_attribute(settings, django_user_model, idp, saml_attri
 
 
 def test_provision_long_attribute(settings, django_user_model, idp, saml_attributes, caplog):
+    from django import VERSION
+
     settings.MELLON_IDENTITY_PROVIDERS = [idp]
     settings.MELLON_ATTRIBUTE_MAPPING = {
         'email': '{attributes[email][0]}',
@@ -205,11 +207,16 @@ def test_provision_long_attribute(settings, django_user_model, idp, saml_attribu
     local_saml_attributes = saml_attributes.copy()
     local_saml_attributes['first_name'] = [('y' * 32)]
     user = SAMLBackend().authenticate(saml_attributes=local_saml_attributes)
-    assert user.first_name == 'y' * 30
     assert len(caplog.records) == 4
     assert 'created new user' in caplog.text
     assert 'set field first_name' in caplog.text
-    assert 'to value %r ' % ('y' * 30) in caplog.text
+    if VERSION[0] <= 2:
+        assert user.first_name == 'y' * 30
+        assert 'to value %r ' % ('y' * 30) in caplog.text
+    else:
+        # django users' first name attribute longer from django3 onwards
+        assert user.first_name == 'y' * 32
+        assert 'to value %r ' % ('y' * 32) in caplog.text
     assert 'set field last_name' in caplog.text
     assert 'set field email' in caplog.text