diff --git a/doc/reference/libvips-docs.sgml.in b/doc/reference/libvips-docs.sgml.in
index 9906a391..6e5f5190 100644
--- a/doc/reference/libvips-docs.sgml.in
+++ b/doc/reference/libvips-docs.sgml.in
@@ -24,6 +24,7 @@
     <xi:include href="xml/colour.xml"/>
     <xi:include href="xml/region.xml"/>
     <xi:include href="xml/arithmetic.xml"/>
+    <xi:include href="xml/deprecated.xml"/>
     <xi:include href="xml/meta.xml"/>
     <xi:include href="xml/image.xml"/>
     <xi:include href="xml/transform.xml"/>