diff --git a/src/libsodium/include/sodium/crypto_pwhash_scryptsalsa208sha256.h b/src/libsodium/include/sodium/crypto_pwhash_scryptsalsa208sha256.h
index b97bce2c..a83233b1 100644
--- a/src/libsodium/include/sodium/crypto_pwhash_scryptsalsa208sha256.h
+++ b/src/libsodium/include/sodium/crypto_pwhash_scryptsalsa208sha256.h
@@ -2,6 +2,7 @@
 #define crypto_pwhash_scryptsalsa208sha256_H
 
 #include <stddef.h>
+#include <stdint.h>
 
 #include "export.h"