diff --git a/Cargo.toml b/Cargo.toml
index 6b9a181..c367db8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ tokio = { version = "1.32.0", features=["macros", "rt-multi-thread"] }
 futures = "0.3.28"
 serial_test = "2.0.0"
 num-traits = "0.2.17"
-num-derive = "0.4.0"
+num-derive = "0.4.1"
 
 #crypto
 cbc = { version = "0.1.2", features = ["alloc"] }