diff --git a/Cargo.toml b/Cargo.toml
index ca377dacb..f6b0e38a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,7 @@ license = "GPL-3.0"
 name = "ethcore-util"
 version = "0.1.0"
 authors = ["Ethcore <admin@ethcore.io>"]
+
+[dependencies]
+log = "0.3"
+env_logger = "0.3"