diff --git a/builder-web.opam b/builder-web.opam
index e6c1638..5a30c15 100644
--- a/builder-web.opam
+++ b/builder-web.opam
@@ -47,6 +47,8 @@ depends: [
   "uri"
   "fmt" {>= "0.8.7"}
   "omd"
+  "modulectomy"
+  "opam-graph"
 ]
 
 synopsis: "Web interface for builder"