diff --git a/Cargo.toml b/Cargo.toml
index 4817a0a..fabd80c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,5 +26,5 @@ bin = ["getopts"]
 getopts = {version = "0.2", optional = true}
 
 [dev-dependencies]
-term = "0.2.7"
-quickcheck = "0.6"
+term = "0.4"
+quickcheck = "0.6"
\ No newline at end of file