diff --git a/rqt_image_overlay/src/image_overlay.hpp b/rqt_image_overlay/src/image_overlay.hpp
index 5772bbd..fc10983 100644
--- a/rqt_image_overlay/src/image_overlay.hpp
+++ b/rqt_image_overlay/src/image_overlay.hpp
@@ -18,7 +18,7 @@
 #include <QMenu>
 #include <vector>
 #include <memory>
-#include "rqt_gui_cpp/plugin.h"
+#include "rqt_gui_cpp/plugin.hpp"
 
 namespace Ui {class ImageOverlay;}
 namespace rqt_image_overlay
diff --git a/rqt_image_overlay_layer/include/rqt_image_overlay_layer/plugin.hpp b/rqt_image_overlay_layer/include/rqt_image_overlay_layer/plugin.hpp
index 327f980..1b86d2f 100644
--- a/rqt_image_overlay_layer/include/rqt_image_overlay_layer/plugin.hpp
+++ b/rqt_image_overlay_layer/include/rqt_image_overlay_layer/plugin.hpp
@@ -22,7 +22,7 @@
 #include "rclcpp/serialization.hpp"
 #include "rosidl_runtime_cpp/traits.hpp"
 #include "rcpputils/asserts.hpp"
-#include "message_filters/message_traits.h"
+#include "message_filters/message_traits.hpp"
 
 namespace rqt_image_overlay_layer
 {