Migrate serde dependency to use derive feature (#152)

This is in line with best practices recommended
by serde[1]. This will also resolve downstream
crates depending on shiplift who enable the
serde derive feature, due to Cargos unification
of features for each crate[2].

[1]: https://github.com/serde-rs/serde/issues/1441
[2]: https://github.com/rust-lang/cargo/issues/4361#issuecomment-348538243

1 files changed, 1 insertions, 2 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 0def440..1ee57a5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,8 +34,7 @@ tokio = "0.1.15"
 tokio-codec = "0.1.1"
 tokio-io = "0.1.11"
 url = "1.7.2"
-serde = "1.0.87"
-serde_derive = "1.0.87"
+serde = { version = "1.0.87", features = ["derive"] }
 serde_json = "1.0.38"
 
 [dev-dependencies]