diff --git a/dev-cpp/cairomm/cairomm-1.12.0.ebuild b/dev-cpp/cairomm/cairomm-1.12.0.ebuild
index 2dc4fc7b5327a..78f2992c671b7 100644
--- a/dev-cpp/cairomm/cairomm-1.12.0.ebuild
+++ b/dev-cpp/cairomm/cairomm-1.12.0.ebuild
@@ -18,7 +18,7 @@ IUSE="doc +svg"
 # FIXME: svg support is automagic
 RDEPEND="
 	>=x11-libs/cairo-1.12.10[svg?,${MULTILIB_USEDEP}]
-	>=dev-libs/libsigc++-2.3.2:2[${MULTILIB_USEDEP}]
+	>=dev-libs/libsigc++-2.5.1:2[${MULTILIB_USEDEP}]
 "
 DEPEND="${RDEPEND}
 	virtual/pkgconfig