diff --git a/docs/publican-all.cfg b/docs/publican-all.cfg
index e62bc112ac4..a4b981385c4 100644
--- a/docs/publican-all.cfg
+++ b/docs/publican-all.cfg
@@ -24,7 +24,7 @@ type: Book
 docname: cloudstack
 brand: cloudstack
 chunk_first: 1
-chunk_section_depth: 1
+chunk_section_depth: 2