diff --git a/pyproject.toml b/pyproject.toml
index 34e8e83..b5cf0ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ packages = [{include = "apis_ontology"}]
 [tool.poetry.dependencies]
 python = "^3.11"
 psycopg2 = "^2.9"
-apis-core-rdf = "0.36.1"
+apis-core-rdf = "0.44.1"
 apis-acdhch-default-settings = "1.8.0"
 
 [build-system]