diff --git a/Cargo.toml b/Cargo.toml
line changes: +1/-1
index 8f3e5ca..9c13598
--- a/Cargo.toml
+++ b/Cargo.toml

@@ -83,7 +83,7 @@ version = "0.2"
 features = ["exception"]
 
 [dev-dependencies]
-hyper = "0.12"
+hyper = "0.11"
 futures = "0.1.11"
 lazy_static = "1.0"