diff --git a/media-gfx/xdot/xdot-1.2.ebuild b/media-gfx/xdot/xdot-1.2.ebuild
index 6755532596fb5..36fc37fe145c0 100644
--- a/media-gfx/xdot/xdot-1.2.ebuild
+++ b/media-gfx/xdot/xdot-1.2.ebuild
@@ -27,6 +27,7 @@ LICENSE="LGPL-2+"
 SLOT="0"
 
 DEPEND="
+	dev-python/numpy[${PYTHON_USEDEP}]
 	dev-python/pycairo[${PYTHON_USEDEP}]
 	dev-python/pygobject:3[${PYTHON_USEDEP}]
 	media-gfx/graphviz
diff --git a/media-gfx/xdot/xdot-9999.ebuild b/media-gfx/xdot/xdot-9999.ebuild
index 55d43b4b1a666..1f4cdb063a5a2 100644
--- a/media-gfx/xdot/xdot-9999.ebuild
+++ b/media-gfx/xdot/xdot-9999.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -27,6 +27,7 @@ LICENSE="LGPL-2+"
 SLOT="0"
 
 DEPEND="
+	dev-python/numpy[${PYTHON_USEDEP}]
 	dev-python/pycairo[${PYTHON_USEDEP}]
 	dev-python/pygobject:3[${PYTHON_USEDEP}]
 	media-gfx/graphviz