diff --git a/ols-ontologies.yaml b/ols-ontologies.yaml
index 3c89c3c..7e2b761 100644
--- a/ols-ontologies.yaml
+++ b/ols-ontologies.yaml
@@ -383,6 +383,7 @@ make the ATOL ontology as operational as possible and closely related to measure
     ontology_purl: http://purl.obolibrary.org/obo/bto.owl
     hierarchical_property:
       - http://purl.obolibrary.org/obo/BFO_0000050
+      - http://purl.obolibrary.org/obo/RO_0002202
       - http://purl.obolibrary.org/obo/bto#develops_from
       - http://purl.obolibrary.org/obo/bto#related_to
 
@@ -723,3 +724,11 @@ terms are allowed in a specific location of the data model."
     base_uri:
       - http://purl.obolibrary.org/obo/CLYH_
     ontology_purl: https://raw.githubusercontent.com/EBISPOT/clyh_ontology/master/clyh.owl
+
+# Plana override
+  - id: plana
+    is_foundry: true
+    ontology_purl: http://purl.obolibrary.org/obo/plana.owl
+    synonym_property:
+      - http://www.geneontology.org/formats/oboInOwl#hasExactSynonym
+