diff --git a/apis_ontology/settings.py b/apis_ontology/settings.py
index 59607e4..5558610 100644
--- a/apis_ontology/settings.py
+++ b/apis_ontology/settings.py
@@ -14,6 +14,7 @@
 INSTALLED_APPS += ["auditlog", "apis_acdhch_django_auditlog"]
 INSTALLED_APPS.remove("apis_core.apis_relations")
 INSTALLED_APPS += ["django_json_editor_field"]
+INSTALLED_APPS += ["django_interval"]
 
 ROOT_URLCONF = "apis_ontology.urls"
 
diff --git a/apis_ontology/urls.py b/apis_ontology/urls.py
index cc766c5..7fd6d1d 100644
--- a/apis_ontology/urls.py
+++ b/apis_ontology/urls.py
@@ -11,3 +11,4 @@
 urlpatterns += [
     path("", include("apis_acdhch_django_auditlog.urls")),
 ]
+urlpatterns += [path("", include("django_interval.urls"))]
diff --git a/pyproject.toml b/pyproject.toml
index a6731fa..1d28174 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,7 @@ apis-acdhch-default-settings = "1.8.0"
 django-auditlog = "^3.0.0"
 apis-acdhch-django-auditlog = "^0.2.0"
 django-json-editor-field = "^0.4.0"
+django-interval = "^0.2.3"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "^0.8.0"