diff --git a/Cargo.toml b/Cargo.toml
index 0b7032bbb..542b5d19e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,4 +10,6 @@ authors = ["Ethcore <admin@ethcore.io>"]
 log = "0.3"
 env_logger = "0.3"
 rustc-serialize = "0.3"
-arrayvec = "0.3"
\ No newline at end of file
+arrayvec = "0.3"
+mio = "0.*"
+rand = "0.*"