diff --git a/specs/airr-schema-openapi3.yaml b/specs/airr-schema-openapi3.yaml
index f49eebaf..4fb9faa6 100644
--- a/specs/airr-schema-openapi3.yaml
+++ b/specs/airr-schema-openapi3.yaml
@@ -1281,6 +1281,12 @@ AlleleDescription:
                 label: Homo sapiens
             x-airr:
                 miairr: essential
+                format: ontology
+                ontology:
+                    draft: false
+                    top_node:
+                        id: NCBITAXON:7776
+                        label: Gnathostomata
         species_subgroup:
             type: string
             nullable: true
@@ -1493,7 +1499,7 @@ GermlineSet:
             items:
                 $ref: '#/Contributor'
         release_version:
-            type: number
+            type: integer
             nullable: true
             x-airr:
                 miairr: important
@@ -1536,13 +1542,19 @@ GermlineSet:
         species:
             $ref: '#/Ontology'
             nullable: false
-            x-airr:
-                miairr: essential
             description: Binomial designation of subject's species
             title: Organism
             example:
                 id: NCBITAXON:9606
                 label: Homo sapiens
+            x-airr:
+                miairr: essential
+                format: ontology
+                ontology:
+                    draft: false
+                    top_node:
+                        id: NCBITAXON:7776
+                        label: Gnathostomata
         species_subgroup:
             type: string
             nullable: true
diff --git a/specs/airr-schema.yaml b/specs/airr-schema.yaml
index 0eec0747..b83f5efc 100644
--- a/specs/airr-schema.yaml
+++ b/specs/airr-schema.yaml
@@ -1228,6 +1228,12 @@ AlleleDescription:
             x-airr:
                 miairr: essential
                 nullable: false
+                format: ontology
+                ontology:
+                    draft: false
+                    top_node:
+                        id: NCBITAXON:7776
+                        label: Gnathostomata
         species_subgroup:
             type: string
             description: Race, strain or other species subgroup to which this subject belongs
@@ -1413,7 +1419,7 @@ GermlineSet:
             items:
                 $ref: '#/Contributor'
         release_version:
-            type: number
+            type: integer
             description: Version number of this record, allocated automatically
             x-airr:
                 miairr: important
@@ -1457,6 +1463,12 @@ GermlineSet:
             x-airr:
                 miairr: essential
                 nullable: false
+                format: ontology
+                ontology:
+                    draft: false
+                    top_node:
+                        id: NCBITAXON:7776
+                        label: Gnathostomata
         species_subgroup:
             type: string
             description: Race, strain or other species subgroup to which this subject belongs