diff --git a/src/blink/blink.h b/src/blink/blink.h
index be8f342..5f41b58 100644
--- a/src/blink/blink.h
+++ b/src/blink/blink.h
@@ -8,6 +8,8 @@
 #ifndef BLINK_H
 #define BLINK_H
 
+#include <stdbool.h>
+#include <stddef.h>
 #include <stdint.h>
 
 extern volatile uint32_t *GPIO_PORT_BSHR;