diff --git a/cambridge_lite.make b/cambridge_lite.make
index b3854978c4029900bc02a8c383184dca1e7ae378..dffea58970fe3b06a08fc62e676e36862bc561e2 100644
--- a/cambridge_lite.make
+++ b/cambridge_lite.make
@@ -11,6 +11,7 @@ projects[menu_block] = "2.3"
 ; contrib
 
 projects[ctools] = "1.3"
+projects[libraries] = "2.1"
 projects[link] = "1.1"
 projects[pathauto] = "1.2"
 projects[raven][type] = "module"