diff --git a/Cargo.toml b/Cargo.toml
index 8f3f5d2..ff58b3d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,9 +17,9 @@ mime = ">= 0.1"
 url = "= 0.5"
 hyper = "^ 0.9.0"
 itertools = ">= 0.4"
-serde = "0.7.5"
-serde_json = "0.7.0"
-serde_macros = { version = "0.7.5", optional = true }
+serde = "0.8"
+serde_json = "0.8"
+serde_macros = { version = "0.8", optional = true }
 
 [features]
 default = ["with-serde-codegen"]
@@ -27,9 +27,9 @@ nightly = ["serde_macros"]
 with-serde-codegen = ["serde_codegen"]
 
 [build-dependencies]
-serde_codegen = { version = "^ 0.7.14", optional = true }
+serde_codegen = { version = "^ 0.8", optional = true }
 
 [dev-dependencies]
 getopts = "0.2"
 open = "1.1"
-yup-hyper-mock = "1.3.0"
+yup-hyper-mock = "1.3"