diff --git a/Cargo.toml b/Cargo.toml
index ce508f0..35861b7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ hex = "0.4"
 hex-literal = "1.0"
 aes = "0.9"
 ctr = "0.10"
-hmac = "0.12"
+hmac = "0.13"
 md-5 = "0.11"
 rand = "0.10"
 anyhow = "1.0"
diff --git a/src/crypto/wiiu.rs b/src/crypto/wiiu.rs
index 78899ed..1e78eb8 100644
--- a/src/crypto/wiiu.rs
+++ b/src/crypto/wiiu.rs
@@ -1,6 +1,6 @@
 use aes::Aes128;
 use ctr::cipher::{KeyIvInit, StreamCipher};
-use hmac::{Hmac, Mac};
+use hmac::{Hmac, KeyInit, Mac};
 use sha2::Sha256;
 use md5::{Md5, Digest};
 use rand::Rng;