diff --git a/inc/common.hpp b/inc/common.hpp
index 387b626..82746ee 100644
--- a/inc/common.hpp
+++ b/inc/common.hpp
@@ -15,6 +15,11 @@
 */
 
 #pragma once
+
+#include <systemd/sd-event.h>
+
+#include <memory>
+
 struct EventDeleter
 {
     void operator()(sd_event* event) const
@@ -22,4 +27,4 @@
         event = sd_event_unref(event);
     }
 };
-using EventPtr = std::unique_ptr<sd_event, EventDeleter>;
\ No newline at end of file
+using EventPtr = std::unique_ptr<sd_event, EventDeleter>;