diff --git a/rdmorganiser/options/optionsets.xml b/rdmorganiser/options/optionsets.xml
index ccd7ef24..6a86736e 100644
--- a/rdmorganiser/options/optionsets.xml
+++ b/rdmorganiser/options/optionsets.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rdmo xmlns:dc="http://purl.org/dc/elements/1.1/" created="2024-03-12T11:33:03.227757+01:00" version="2.1.3">
+<rdmo xmlns:dc="http://purl.org/dc/elements/1.1/" created="2024-03-12T11:33:03.227757+01:00" version="2.0.0">
 	<optionset dc:uri="https://rdmorganiser.github.io/terms/options/access_authentication">
 		<uri_prefix>https://rdmorganiser.github.io/terms</uri_prefix>
 		<uri_path>access_authentication</uri_path>