diff --git a/components/esp32/include/esp_system.h b/components/esp32/include/esp_system.h
index 0a77044cf..84133366d 100644
--- a/components/esp32/include/esp_system.h
+++ b/components/esp32/include/esp_system.h
@@ -18,6 +18,7 @@
 #include <stdint.h>
 
 #include "esp_err.h"
+#include "esp_deepsleep.h"
 
 #ifdef __cplusplus
 extern "C" {