diff --git a/dev-ros/test_rosbag/test_rosbag-1.15.11.ebuild b/dev-ros/test_rosbag/test_rosbag-1.15.11.ebuild
index ac4873bb7e45d..8dc8f933b1fc6 100644
--- a/dev-ros/test_rosbag/test_rosbag-1.15.11.ebuild
+++ b/dev-ros/test_rosbag/test_rosbag-1.15.11.ebuild
@@ -69,6 +69,7 @@ RDEPEND="
 	dev-ros/rosbag[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rosconsole
 	dev-ros/roscpp
+	dev-ros/rostopic[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rostest[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rosunit[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/topic_tools[${PYTHON_SINGLE_USEDEP}]
diff --git a/dev-ros/test_rosbag/test_rosbag-9999.ebuild b/dev-ros/test_rosbag/test_rosbag-9999.ebuild
index ac4873bb7e45d..8dc8f933b1fc6 100644
--- a/dev-ros/test_rosbag/test_rosbag-9999.ebuild
+++ b/dev-ros/test_rosbag/test_rosbag-9999.ebuild
@@ -69,6 +69,7 @@ RDEPEND="
 	dev-ros/rosbag[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rosconsole
 	dev-ros/roscpp
+	dev-ros/rostopic[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rostest[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/rosunit[${PYTHON_SINGLE_USEDEP}]
 	dev-ros/topic_tools[${PYTHON_SINGLE_USEDEP}]