diff --git a/axum-extra/Cargo.toml b/axum-extra/Cargo.toml
index fdfb9b49..d340af52 100644
--- a/axum-extra/Cargo.toml
+++ b/axum-extra/Cargo.toml
@@ -12,8 +12,8 @@ version = "0.1.2"
 
 [features]
 default = []
-erased-json = ["serde_json"]
-typed-routing = ["axum-macros"]
+erased-json = ["serde_json", "serde"]
+typed-routing = ["axum-macros", "serde"]
 
 [dependencies]
 axum = { path = "../axum", version = "0.4" }
@@ -21,7 +21,6 @@ bytes = "1.1.0"
 http = "0.2"
 mime = "0.3"
 pin-project-lite = "0.2"
-serde = "1.0"
 tower = { version = "0.4", default_features = false, features = ["util"] }
 tower-http = { version = "0.2", features = ["map-response-body"] }
 tower-layer = "0.3"
@@ -29,6 +28,7 @@ tower-service = "0.3"
 
 # optional dependencies
 axum-macros = { path = "../axum-macros", version = "0.1", optional = true }
+serde = { version = "1.0", optional = true }
 serde_json = { version = "1.0.71", optional = true }
 
 [dev-dependencies]