diff --git a/invenio_vocabularies/ext.py b/invenio_vocabularies/ext.py
index 4c34513c..4e7ab481 100644
--- a/invenio_vocabularies/ext.py
+++ b/invenio_vocabularies/ext.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2020-2022 CERN.
+# Copyright (C) 2023 Graz University of Technology.
 #
 # Invenio-Vocabularies is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -123,3 +124,41 @@ def init_resource(self, app):
             service=self.service,
             config=app.config["VOCABULARIES_RESOURCE_CONFIG"],
         )
+
+
+def finalize_app(app):
+    """Finalize app.
+
+    NOTE: replace former @record_once decorator
+    """
+    init(app)
+
+
+def api_finalize_app(app):
+    """Api Finalize app.
+
+    NOTE: replace former @record_once decorator
+    """
+    init(app)
+
+
+def init(app):
+    """Init app."""
+    # Register services - cannot be done in extension because
+    # Invenio-Records-Resources might not have been initialized.
+    sregistry = app.extensions["invenio-records-resources"].registry
+    ext = app.extensions["invenio-vocabularies"]
+    sregistry.register(ext.affiliations_service, service_id="affiliations")
+    sregistry.register(ext.awards_service, service_id="awards")
+    sregistry.register(ext.funders_service, service_id="funders")
+    sregistry.register(ext.names_service, service_id="names")
+    sregistry.register(ext.subjects_service, service_id="subjects")
+    sregistry.register(ext.service, service_id="vocabularies")
+    # Register indexers
+    iregistry = app.extensions["invenio-indexer"].registry
+    iregistry.register(ext.affiliations_service.indexer, indexer_id="affiliations")
+    iregistry.register(ext.awards_service.indexer, indexer_id="awards")
+    iregistry.register(ext.funders_service.indexer, indexer_id="funders")
+    iregistry.register(ext.names_service.indexer, indexer_id="names")
+    iregistry.register(ext.subjects_service.indexer, indexer_id="subjects")
+    iregistry.register(ext.service.indexer, indexer_id="vocabularies")
diff --git a/invenio_vocabularies/views.py b/invenio_vocabularies/views.py
index be150406..fcc20b78 100644
--- a/invenio_vocabularies/views.py
+++ b/invenio_vocabularies/views.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2020-2022 CERN.
+# Copyright (C) 2023 Graz University of Technology.
 #
 # Invenio-Vocabularies is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -13,30 +14,6 @@
 blueprint = Blueprint("invenio_vocabularies_ext", __name__)
 
 
-@blueprint.record_once
-def init(state):
-    """Init app."""
-    app = state.app
-    # Register services - cannot be done in extension because
-    # Invenio-Records-Resources might not have been initialized.
-    sregistry = app.extensions["invenio-records-resources"].registry
-    ext = app.extensions["invenio-vocabularies"]
-    sregistry.register(ext.affiliations_service, service_id="affiliations")
-    sregistry.register(ext.awards_service, service_id="awards")
-    sregistry.register(ext.funders_service, service_id="funders")
-    sregistry.register(ext.names_service, service_id="names")
-    sregistry.register(ext.subjects_service, service_id="subjects")
-    sregistry.register(ext.service, service_id="vocabularies")
-    # Register indexers
-    iregistry = app.extensions["invenio-indexer"].registry
-    iregistry.register(ext.affiliations_service.indexer, indexer_id="affiliations")
-    iregistry.register(ext.awards_service.indexer, indexer_id="awards")
-    iregistry.register(ext.funders_service.indexer, indexer_id="funders")
-    iregistry.register(ext.names_service.indexer, indexer_id="names")
-    iregistry.register(ext.subjects_service.indexer, indexer_id="subjects")
-    iregistry.register(ext.service.indexer, indexer_id="vocabularies")
-
-
 def create_blueprint_from_app(app):
     """Create app blueprint."""
     return app.extensions["invenio-vocabularies"].resource.as_blueprint()
diff --git a/setup.cfg b/setup.cfg
index 7eb90223..d9196202 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2020-2024 CERN.
-# Copyright (C) 2022 Graz University of Technology.
+# Copyright (C) 2022-2024 Graz University of Technology.
 #
 # Invenio-Vocabularies is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -34,8 +34,8 @@ install_requires =
 
 [options.extras_require]
 tests =
-    pytest-black>=0.3.0
-    invenio-app>=1.3.3,<2.0.0
+    pytest-black-ng>=0.4.0
+    invenio-app>=1.4.0,<2.0.0
     invenio-db[postgresql,mysql]>=1.0.14,<2.0.0
     pytest-invenio>=2.1.0,<3.0.0
     Sphinx>=4.5
@@ -67,6 +67,10 @@ invenio_base.api_blueprints =
     invenio_vocabularies_names = invenio_vocabularies.views:create_names_blueprint_from_app
     invenio_vocabularies_subjects = invenio_vocabularies.views:create_subjects_blueprint_from_app
     invenio_vocabularies_ext = invenio_vocabularies.views:blueprint
+invenio_base.api_finalize_app =
+    invenio_vocabularies = invenio_vocabularies.ext:api_finalize_app
+invenio_base.finalize_app =
+    invenio_vocabularies = invenio_vocabularies.ext:finalize_app
 invenio_db.alembic =
     invenio_vocabularies = invenio_vocabularies:alembic
 invenio_db.models =
@@ -95,6 +99,7 @@ invenio_assets.webpack =
 invenio_i18n.translations =
     invenio_vocabularies = invenio_vocabularies
 
+
 [build_sphinx]
 source-dir = docs/
 build-dir = docs/_build