diff --git a/Cargo.toml b/Cargo.toml
index 6b074c1..efdc028 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ tokio = { version = "1.35.1", features=["macros", "rt-multi-thread"] }
 futures = "0.3.30"
 serial_test = "3.0.0"
 num-traits = "0.2.17"
-num-derive = "0.4.1"
+num-derive = "0.4.2"
 
 #crypto
 cbc = { version = "0.1.2", features = ["alloc"] }