diff --git a/ginepro/Cargo.toml b/ginepro/Cargo.toml
index 5422847..85922b1 100644
--- a/ginepro/Cargo.toml
+++ b/ginepro/Cargo.toml
@@ -9,13 +9,18 @@ keywords = ["gRPC", "tonic", "channel", "load", "balancer"]
 categories = ["asynchronous", "web-programming"]
 readme = "../README.md"
 
+[features]
+default = ["tls-ring"]
+tls-ring = ["tonic/tls-ring"]
+tls-aws-lc = ["tonic/tls-aws-lc"]
+
 [dependencies]
 anyhow = "1"
 async-trait = "0.1"
 http = "1"
 thiserror = "2"
 tokio = { version = "1", features = ["full"] }
-tonic = { version = "0.13", features = ["tls-ring"] }
+tonic = { version = "0.13", default-features = false, features = ["router", "transport", "codegen", "prost"] }
 tower = { version = "0.5", default-features = false, features = ["discover"] }
 tracing = "0.1"
 hickory-resolver = { version = "0.26", features = ["tokio"] }