diff --git a/vocabularies/index.json b/vocabularies/index.json
index 3f9e2d8..da6246e 100644
--- a/vocabularies/index.json
+++ b/vocabularies/index.json
@@ -2,6 +2,7 @@
     "ConfidenceLevel.ttl": "https://pid.geoscience.gov.au/def/voc/ga/confidence_level",
     "RoleCodeType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/roleCodeType",
     "SampleMaterialClassBoreholes.ttl": "https://pid.geoscience.gov.au/def/voc/ga/sample_material_class",
+    "MarineGeomorphSettingProcess.ttl": "https://pid.geoscience.gov.au/def/voc/ga/GeomorphologySettings",
     "SampleType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/sample_type",
     "SamplingMethod.ttl": "https://pid.geoscience.gov.au/def/voc/ga/sampling_method",
     "QaStatusCode.ttl": "https://pid.geoscience.gov.au/def/voc/ga/QA_status_code",