diff --git a/src/crypto/wiiu.rs b/src/crypto/wiiu.rs
index 242ca6e..78899ed 100644
--- a/src/crypto/wiiu.rs
+++ b/src/crypto/wiiu.rs
@@ -3,7 +3,7 @@ use ctr::cipher::{KeyIvInit, StreamCipher};
 use hmac::{Hmac, Mac};
 use sha2::Sha256;
 use md5::{Md5, Digest};
-use rand::RngCore;
+use rand::Rng;
 use anyhow::{Result, bail};
 
 type HmacSha256 = Hmac<Sha256>;
@@ -84,7 +84,7 @@ pub fn encrypt_wiiu(content: &[u8], aes_key: &[u8], hmac_key: &[u8]) -> Result<V
     plaintext.extend_from_slice(content);
 
     let mut iv12 = [0u8; 12];
-    rand::thread_rng().fill_bytes(&mut iv12);
+    rand::rng().fill_bytes(&mut iv12);
 
     let mut iv = Vec::with_capacity(16);
     iv.extend_from_slice(&iv12);