diff --git a/firmware-controller-macros/Cargo.toml b/firmware-controller-macros/Cargo.toml
index ac21869..63bde36 100644
--- a/firmware-controller-macros/Cargo.toml
+++ b/firmware-controller-macros/Cargo.toml
@@ -14,6 +14,7 @@ repository = "https://github.com/layerx-world/firmware-controller/"
 proc-macro = true
 
 [features]
+default = ["embassy"]
 embassy = []
 tokio = []