diff --git a/DEPENDS.txt b/DEPENDS.txt
index 68790c3..cdd7bf4 100644
--- a/DEPENDS.txt
+++ b/DEPENDS.txt
@@ -17,6 +17,7 @@ hard mdframed
 hard microtype
 hard needspace
 hard paralist
+hard hypdoc
 hard pgf
 hard pgfopts
 hard qrcode