diff --git a/src/libsodium/crypto_aead/aegis256/aead_aegis256.c b/src/libsodium/crypto_aead/aegis256/aead_aegis256.c
index aee51ff7..dfcb587b 100644
--- a/src/libsodium/crypto_aead/aegis256/aead_aegis256.c
+++ b/src/libsodium/crypto_aead/aegis256/aead_aegis256.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 
 #include "crypto_aead_aegis256.h"
+#include "randombytes.h"
 
 size_t
 crypto_aead_aegis256_keybytes(void)