diff --git a/config.yaml b/config.yaml
index de8a5b609..12c14afd8 100644
--- a/config.yaml
+++ b/config.yaml
@@ -33,6 +33,7 @@ devel_repos:
 - "data/experiment"
 - "workflows"
 - "data/annotation"
+- "books"
 
 ## CHANGE this when the build machines change:
 ## also, don't include machines that are not building yet (comment them out)