diff --git a/.env b/.env
index b9c17ac36..2bbb43136 100644
--- a/.env
+++ b/.env
@@ -25,7 +25,7 @@ NEXT_PUBLIC_NEUROSHAPES_BASE_URL=https://neuroshapes.org
 NEXT_PUBLIC_BRAIN_REGION_ONTOLOGY_RESOURCE_ORG=neurosciencegraph
 NEXT_PUBLIC_BRAIN_REGION_ONTOLOGY_RESOURCE_PROJECT=datamodels
 NEXT_PUBLIC_BRAIN_REGION_ONTOLOGY_RESOURCE_ID=http://bbp.epfl.ch/neurosciencegraph/ontologies/core/brainregion
-NEXT_PUBLIC_BRAIN_REGION_ONTOLOGY_RESOURCE_TAG=v2.0.0
+NEXT_PUBLIC_BRAIN_REGION_ONTOLOGY_RESOURCE_TAG=v2.1.0
 
 NEXT_PUBLIC_ATLAS_RELEASE_RESOURCE_ID=https://bbp.epfl.ch/neurosciencegraph/data/4906ab85-694f-469d-962f-c0174e901885