diff --git a/protocols/secio/Cargo.toml b/protocols/secio/Cargo.toml
index 55e0090a3e3..d12cd8699a0 100644
--- a/protocols/secio/Cargo.toml
+++ b/protocols/secio/Cargo.toml
@@ -28,7 +28,7 @@ rand = "0.7"
 rw-stream-sink = "0.2.0"
 sha2 = "0.9.1"
 static_assertions = "1"
-twofish = "0.2.0"
+twofish = "0.6.0"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 ring = { version = "0.16.9", features = ["alloc"], default-features = false }