diff --git a/Cargo.toml b/Cargo.toml
index eb6b73c..1f16de7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,6 +37,7 @@ bincode = "^0.9"
 criterion = "0.3"
 rand = "0.7"
 serde_crate = { package = "serde", version = "1.0", features = ["derive"] }
+toml = { version = "0.5" }
 
 [[bench]]
 name = "ed25519_benchmarks"