diff --git a/make/mkspec.sh b/make/mkspec.sh
index b2fa726d..5bbd5318 100644
--- a/make/mkspec.sh
+++ b/make/mkspec.sh
@@ -35,6 +35,7 @@ echo ""
 echo "%package -n $NAME-devel"
 echo "Summary: The development library package."
 echo "Group: System Environment/Libraries"
+echo "Requires: "$REQUIRES_DEVEL"
 echo "%description -n $NAME-devel"
 echo "development library package of the ytools library"
 echo ""