diff --git a/Cargo.toml b/Cargo.toml
index 94b642b..5e26826 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,8 +13,8 @@ categories = ["web-programming::http-client"]
 hyper = "0.10.2"
 hyper-native-tls = "0.2"
 log = "0.3"
-serde = "0.9"
-serde_json = "0.9"
+serde = "1.0"
+serde_json = "1.0"
 serde_urlencoded = "0.4"
 url = "1.2"
 libflate = "0.1.3"