diff --git a/Threads/Inc/threads_actor.hpp b/Threads/Inc/threads_actor.hpp
index e5f3be5..50c51b1 100644
--- a/Threads/Inc/threads_actor.hpp
+++ b/Threads/Inc/threads_actor.hpp
@@ -8,7 +8,10 @@
 #ifndef SKULLC_THREADS_ACTOR_HPP_
 #define SKULLC_THREADS_ACTOR_HPP_
 
+#include <cmsis_os.h>
+#include <freertos_os2.h>
 #include <queue.h>
+
 #include <type_traits>
 
 #include "threads_primitivethread.hpp"