diff --git a/example-service/Cargo.toml b/example-service/Cargo.toml
index 20c1458..9cf715d 100644
--- a/example-service/Cargo.toml
+++ b/example-service/Cargo.toml
@@ -19,6 +19,7 @@ futures = "0.3"
 serde = { version = "1.0" }
 tarpc = { path = "../tarpc", features = ["full"] }
 tokio = { version = "1", features = ["macros", "net", "rt-multi-thread"] }
+tokio-serde = { version = "0.8", features = ["json"] }
 
 [lib]
 name = "service"
diff --git a/tarpc/Cargo.toml b/tarpc/Cargo.toml
index bd5d007..31f4e0d 100644
--- a/tarpc/Cargo.toml
+++ b/tarpc/Cargo.toml
@@ -17,7 +17,7 @@ default = []
 
 serde1 = ["tarpc-plugins/serde1", "serde", "serde/derive"]
 tokio1 = ["tokio/rt-multi-thread"]
-serde-transport = ["serde1", "tokio1", "tokio-serde/json", "tokio-util/codec"]
+serde-transport = ["serde1", "tokio1", "tokio-serde", "tokio-util/codec"]
 tcp = ["tokio/net"]
 
 full = ["serde1", "tokio1", "serde-transport", "tcp"]