diff --git a/productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.3.owl b/productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.4.owl
similarity index 97%
rename from productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.3.owl
rename to productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.4.owl
index cad45cef..0594e376 100644
--- a/productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.3.owl
+++ b/productMods/WEB-INF/ontologies/optional/mapping/vivo-bfo-1.4.owl
@@ -215,8 +215,13 @@
     <owl:Class rdf:about="&foaf;Agent">
         <rdfs:subClassOf rdf:resource="&snap;MaterialEntity"/>
     </owl:Class>
+    
+    
+    <!-- obo OBI_0100026 -->
+    <owl:Class rdf:about="&obo;OBI_0100026">
+        <rdfs:subClassOf rdf:resource="&snap;MaterialEntity"/>
+    </owl:Class>
 </rdf:RDF>
 
-
 <!-- Generated by the OWL API (version 3.1.0.1602) http://owlapi.sourceforge.net -->