diff --git a/profiles/unl_profile/unl_profile.info b/profiles/unl_profile/unl_profile.info
index 313ccc2cc4ef0915012bf808975f67543ebe8066..f6599ade801763f7b57be03b970762da70073485 100644
--- a/profiles/unl_profile/unl_profile.info
+++ b/profiles/unl_profile/unl_profile.info
@@ -21,6 +21,7 @@ dependencies[] = field_ui
 dependencies[] = file
 dependencies[] = rdf
 
+dependencies[] = book
 dependencies[] = token
 dependencies[] = pathauto
 dependencies[] = pagepreview