diff --git a/cdn.info b/cdn.info
index a6b3a94..a7cbc61 100644
--- a/cdn.info
+++ b/cdn.info
@@ -3,4 +3,5 @@ description = "Integrates your site with a CDN, through altering file URLs."
 
 core = 7.x
 package = Performance and scalability
+dependencies[] = ctools
 configure = admin/config/development/cdn