diff --git a/samples/rfc7643-8.7.1-schema-group.json b/samples/rfc7643-8.7.1-schema-group.json
index bc564b4..6ac48e0 100644
--- a/samples/rfc7643-8.7.1-schema-group.json
+++ b/samples/rfc7643-8.7.1-schema-group.json
@@ -9,7 +9,7 @@
             "type": "string",
             "multiValued": false,
             "description": "A human-readable name for the Group. REQUIRED.",
-            "required": false,
+            "required": true,
             "caseExact": false,
             "mutability": "readWrite",
             "returned": "default",
diff --git a/scim2_models/resources/group.py b/scim2_models/resources/group.py
index d520aab..fd3cfe1 100644
--- a/scim2_models/resources/group.py
+++ b/scim2_models/resources/group.py
@@ -7,6 +7,7 @@
 from pydantic import Field
 
 from ..annotations import Mutability
+from ..annotations import Required
 from ..attributes import ComplexAttribute
 from ..path import URN
 from ..reference import Reference
@@ -38,7 +39,7 @@ class GroupMember(ComplexAttribute):
 class Group(Resource[Any]):
     __schema__ = URN("urn:ietf:params:scim:schemas:core:2.0:Group")
 
-    display_name: str | None = None
+    display_name: Annotated[str | None, Required.true] = None
     """A human-readable name for the Group."""
 
     members: list[GroupMember] | None = None
diff --git a/tests/test_dynamic_resources.py b/tests/test_dynamic_resources.py
index 9fd55b0..4fb649d 100644
--- a/tests/test_dynamic_resources.py
+++ b/tests/test_dynamic_resources.py
@@ -32,7 +32,7 @@ def test_make_group_model_from_schema(load_sample):
         Group.model_fields["display_name"].description
         == "A human-readable name for the Group. REQUIRED."
     )
-    assert Group.get_field_annotation("display_name", Required) == Required.false
+    assert Group.get_field_annotation("display_name", Required) == Required.true
     assert Group.get_field_annotation("display_name", CaseExact) == CaseExact.false
     assert (
         Group.get_field_annotation("display_name", Mutability) == Mutability.read_write
@@ -2712,7 +2712,7 @@ def test_make_schema_model_from_schema(load_sample):
     assert obj.attributes[0].description == (
         "A human-readable name for the Group. REQUIRED."
     )
-    assert not obj.attributes[0].required
+    assert obj.attributes[0].required
     assert not obj.attributes[0].case_exact
     assert obj.attributes[0].mutability == Mutability.read_write
     assert obj.attributes[0].returned == Returned.default
diff --git a/tests/test_schema.py b/tests/test_schema.py
index c15f9a9..4c8ac6f 100644
--- a/tests/test_schema.py
+++ b/tests/test_schema.py
@@ -21,7 +21,7 @@ def test_group_schema(load_sample):
     assert obj.attributes[0].description == (
         "A human-readable name for the Group. REQUIRED."
     )
-    assert not obj.attributes[0].required
+    assert obj.attributes[0].required
     assert not obj.attributes[0].case_exact
     assert obj.attributes[0].mutability == Mutability.read_write
     assert obj.attributes[0].returned == Returned.default