diff --git a/media-gfx/mayo/mayo-0.8.0.ebuild b/media-gfx/mayo/mayo-0.8.0.ebuild
index 2b0a412152..de69cc0a25 100644
--- a/media-gfx/mayo/mayo-0.8.0.ebuild
+++ b/media-gfx/mayo/mayo-0.8.0.ebuild
@@ -15,6 +15,7 @@ KEYWORDS="~amd64"
 
 RDEPEND="
 	>=sci-libs/opencascade-7.7.0-r2
+	<sci-libs/opencascade-7.8.0
 	dev-qt/qtcore:5
 	dev-qt/qtgui:5
 	dev-qt/qtwidgets:5