diff --git a/build-tests/thesis.yaml b/build-tests/thesis.yaml
index 85d82fe..908285a 100644
--- a/build-tests/thesis.yaml
+++ b/build-tests/thesis.yaml
@@ -17,6 +17,9 @@ record:
   draft:
     extra-code: |-2
           test_options = "test"
+  draft-parent-record:
+    fields:
+      answer: "{{invenio_records.systemfields.constant.ConstantField}}('answer', 42)"
   resource-config:
     base-html-url: /ui/
 
diff --git a/oarepo_model_builder_drafts/datatypes/components/draft_model/draft_parent.py b/oarepo_model_builder_drafts/datatypes/components/draft_model/draft_parent.py
index 5f3d28c..4623685 100644
--- a/oarepo_model_builder_drafts/datatypes/components/draft_model/draft_parent.py
+++ b/oarepo_model_builder_drafts/datatypes/components/draft_model/draft_parent.py
@@ -10,6 +10,8 @@
 from oarepo_model_builder.utils.python_name import module_to_path, parent_module
 from oarepo_model_builder.validation.utils import ImportSchema
 
+# TODO: consider moving all "parent" related record fields to "parent" section and profile
+
 
 class DraftParentRecordSchema(ma.Schema):
     class Meta:
@@ -37,6 +39,11 @@ class Meta:
     )
     skip = ma.fields.Boolean()
     generate = ma.fields.Boolean()
+    fields = ma.fields.Dict(
+        attribute="fields",
+        data_key="fields",
+        metadata={"doc": "Extra fields to add to the class"},
+    )
 
 
 class DraftParentRecordStateSchema(ma.Schema):
@@ -166,6 +173,7 @@ def before_model_prepare(self, datatype, *, context, **kwargs):
             "base-classes", ["invenio_drafts_resources.records.api.ParentRecord"]
         )
         draft_parent_record.setdefault("imports", [])
+        draft_parent_record.setdefault("fields", {})
         draft_parent_record.setdefault("module", record_module)
         draft_parent_record.setdefault("generate", True)
 
diff --git a/oarepo_model_builder_drafts/invenio/templates/invenio_drafts_parent_record.py.jinja2 b/oarepo_model_builder_drafts/invenio/templates/invenio_drafts_parent_record.py.jinja2
index 2778b6d..7889412 100644
--- a/oarepo_model_builder_drafts/invenio/templates/invenio_drafts_parent_record.py.jinja2
+++ b/oarepo_model_builder_drafts/invenio/templates/invenio_drafts_parent_record.py.jinja2
@@ -3,6 +3,15 @@ from invenio_records.systemfields import ConstantField
 {{ vars.draft_parent_record|imports }}
 {{ vars.draft_parent_record_metadata.class|generate_import }}
 
+{% for extra_field_value in vars.draft_parent_record.fields.values() %}
+{{ extra_field_value|code_imports }}
+{% endfor %}
+
+
 class {{ vars.draft_parent_record|class_header }}:
     model_cls = {{ vars.draft_parent_record_metadata.class|base_name }}
+
+{% for extra_field_name, extra_field_value in vars.draft_parent_record.fields.items() %}
+    {{ extra_field_name }} = {{ extra_field_value|extra_code }}
+{% endfor %}
 {% endif %}
\ No newline at end of file
diff --git a/run-tests.sh b/run-tests.sh
index 8197504..27a406f 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-OAREPO_VERSION=${OAREPO_VERSION:-11}
+OAREPO_VERSION=${OAREPO_VERSION:-12}
 
 BUILDER_VENV=".venv-builder"
 if test -d $BUILDER_VENV ; then
diff --git a/setup.cfg b/setup.cfg
index d3e296c..d14dbdd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = oarepo-model-builder-drafts
-version = 4.0.30
+version = 4.0.31
 description =
 authors = Ronald Krist <krist@cesnet.cz>
 readme = README.md