diff --git a/data/micro.yaml b/data/micro.yaml
index ecdc040..0082ccf 100644
--- a/data/micro.yaml
+++ b/data/micro.yaml
@@ -1,7 +1,8 @@
 title: Ontology of Prokaryotic Phenotypic and Metabolic Characters
 verified: false
 url:
-  - http://www.obofoundry.org/ontology/micro.html
+  - http://purl.obolibrary.org/obo/MicrO.owl
+  - https://www.ebi.ac.uk/ols4/ontologies/micro
 domain:
   - label: biological sciences
     iri: http://data.europa.eu/8mn/euroscivoc/803cff73-504b-41ae-9873-1836c76c15d1