diff --git a/docs/reference/gio/gio-docs.xml b/docs/reference/gio/gio-docs.xml
index ad1aee5d8..424097885 100644
--- a/docs/reference/gio/gio-docs.xml
+++ b/docs/reference/gio/gio-docs.xml
@@ -244,6 +244,10 @@
     <title>Index of new symbols in 2.28</title>
     <xi:include href="xml/api-index-2.28.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-2-30" role="2.30">
+    <title>Index of new symbols in 2.30</title>
+    <xi:include href="xml/api-index-2.30.xml"><xi:fallback /></xi:include>
+  </index>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>