diff --git a/Cargo.toml b/Cargo.toml
index f45ac48..0485b68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ serde_derive = { version = "1.0", optional = true }
 unicase_serde = { version = "0.1.0", optional = true }
 
 [dev-dependencies]
-hyper = "0.10"
+hyper = "0.12"
 serde_json = "1.0"
 serde_test = "1.0"