diff --git a/hello-grpc-rust/Cargo.toml b/hello-grpc-rust/Cargo.toml
index 1f8f544..fa547e3 100644
--- a/hello-grpc-rust/Cargo.toml
+++ b/hello-grpc-rust/Cargo.toml
@@ -15,7 +15,7 @@ path = "src/landing/client.rs"
 
 [dependencies]
 #grpc https://lib.rs/crates/tonic
-tonic = { version = "0.11.0", features = ["tls"] }
+tonic = { version = "0.12.0", features = ["tls"] }
 #gRPC Codec https://lib.rs/crates/prost
 prost = "0.12.1"
 # https://lib.rs/crates/tokio