diff --git a/Cargo.toml b/Cargo.toml
index 02ef02e..6c5698b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 arrayref = "0.3"
 rand = "0.7.3"
-hkdf = "0.11"
+hkdf = "0.12"
 aes-gcm = "0.9.4"
 sha2 = "0.9"
 curve25519-dalek = "3.1"