diff --git a/dev-cpp/cairomm/cairomm-1.16.0.ebuild b/dev-cpp/cairomm/cairomm-1.16.0.ebuild
index 0877ccc637172..67a60abc45749 100644
--- a/dev-cpp/cairomm/cairomm-1.16.0.ebuild
+++ b/dev-cpp/cairomm/cairomm-1.16.0.ebuild
@@ -10,13 +10,14 @@ HOMEPAGE="https://cairographics.org/cairomm/"
 SRC_URI="https://www.cairographics.org/releases/${P}.tar.xz"
 
 LICENSE="LGPL-2+"
-SLOT="0"
+SLOT="1.16"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-solaris"
 IUSE="doc test"
+RESTRICT="!test? ( test )"
 
 RDEPEND="
+	dev-libs/libsigc++:3[doc?,${MULTILIB_USEDEP}]
 	>=x11-libs/cairo-1.12.10[${MULTILIB_USEDEP}]
-	dev-libs/libsigc++:3[${MULTILIB_USEDEP}]
 "
 DEPEND="${RDEPEND}
 	test? (
@@ -27,9 +28,9 @@ DEPEND="${RDEPEND}
 BDEPEND="
 	virtual/pkgconfig
 	doc? (
-		app-doc/doxygen
+		app-doc/doxygen[dot]
+		dev-lang/perl
 		dev-libs/libxslt
-		media-gfx/graphviz
 	)
 "