diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 944088a..c15db17 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -76,7 +76,7 @@ serde_yaml = "0.9"
 # gRPC client for talking directly to the on-device Maestro driver
 # (bypasses the slow `maestro hierarchy` CLI invocation path when the
 # driver is kept alive by a background `maestro studio` process).
-tonic = { version = "0.12", default-features = false, features = ["codegen", "prost", "transport"] }
+tonic = { version = "0.14", default-features = false, features = ["codegen", "prost", "transport"] }
 prost = "0.13"
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]