diff --git a/src/libsodium/include/sodium/export.h b/src/libsodium/include/sodium/export.h
index b786c77b..93d0af4f 100644
--- a/src/libsodium/include/sodium/export.h
+++ b/src/libsodium/include/sodium/export.h
@@ -2,6 +2,9 @@
 #ifndef sodium_export_H
 #define sodium_export_H
 
+#include <stddef.h>
+#include <stdint.h>
+
 #if !defined(__clang__) && !defined(__GNUC__)
 # ifdef __attribute__
 #  undef __attribute__