diff --git a/vocabularies/index.json b/vocabularies/index.json
index 4bb0fc6..bb49e51 100644
--- a/vocabularies/index.json
+++ b/vocabularies/index.json
@@ -1,6 +1,7 @@
 {
     "AssociationType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/associationtype",
     "CDCS.ttl": "https://pid.geoscience.gov.au/def/voc/ga/CDCS",
+    "CountryCode.ttl": "https://pid.geoscience.gov.au/def/voc/ga/countrycode,
     "ContactTypeBoreholes.ttl": "https://pid.geoscience.gov.au/def/voc/ga/contact_type",
     "OnlineFunction.ttl": "https://pid.geoscience.gov.au/def/voc/ga/onlinefunction",
     "ProtocolType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/protocoltype",