diff --git a/dev-ros/laser_cb_detector/laser_cb_detector-0.10.14.ebuild b/dev-ros/laser_cb_detector/laser_cb_detector-0.10.14.ebuild
index 682fde80756ac..5cfe8cc43d4be 100644
--- a/dev-ros/laser_cb_detector/laser_cb_detector-0.10.14.ebuild
+++ b/dev-ros/laser_cb_detector/laser_cb_detector-0.10.14.ebuild
@@ -30,6 +30,7 @@ DEPEND="${RDEPEND}
 	dev-ros/std_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
 	test? (
 		dev-cpp/gtest
+		media-libs/opencv[png]
 	)
 "
 PATCHES=( "${FILESDIR}/gcc6.patch" "${FILESDIR}/boost170.patch" "${FILESDIR}/ocv4.patch" "${FILESDIR}/ocv4-2.patch" )
diff --git a/dev-ros/laser_cb_detector/laser_cb_detector-9999.ebuild b/dev-ros/laser_cb_detector/laser_cb_detector-9999.ebuild
index 682fde80756ac..5cfe8cc43d4be 100644
--- a/dev-ros/laser_cb_detector/laser_cb_detector-9999.ebuild
+++ b/dev-ros/laser_cb_detector/laser_cb_detector-9999.ebuild
@@ -30,6 +30,7 @@ DEPEND="${RDEPEND}
 	dev-ros/std_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
 	test? (
 		dev-cpp/gtest
+		media-libs/opencv[png]
 	)
 "
 PATCHES=( "${FILESDIR}/gcc6.patch" "${FILESDIR}/boost170.patch" "${FILESDIR}/ocv4.patch" "${FILESDIR}/ocv4-2.patch" )