diff --git a/media-libs/libdng/libdng-0.2.1.ebuild b/media-libs/libdng/libdng-0.2.1.ebuild
index dbe8eab..ee30e3b 100755
--- a/media-libs/libdng/libdng-0.2.1.ebuild
+++ b/media-libs/libdng/libdng-0.2.1.ebuild
@@ -15,6 +15,8 @@ KEYWORDS="~arm64"
 
 DEPEND="
 	dev-libs/libconfig
+	app-text/scdoc
+	>=media-libs/tiff-4.0.0
 "
 
 RDEPEND="${DEPEND}"