diff --git a/libwvdrmengine/cdm/core/include/file_store.h b/libwvdrmengine/cdm/core/include/file_store.h
index 6d75f66c..8e77b4f1 100644
--- a/libwvdrmengine/cdm/core/include/file_store.h
+++ b/libwvdrmengine/cdm/core/include/file_store.h
@@ -5,8 +5,9 @@
 #ifndef WVCDM_CORE_FILE_STORE_H_
 #define WVCDM_CORE_FILE_STORE_H_
 
-#include <stddef.h>
-#include <stdlib.h>
+#include <unistd.h>
+#include <string>
+#include <vector>
 
 #include "wv_cdm_types.h"