diff --git a/Cargo.toml b/Cargo.toml
index ae6888c..3f939b0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,6 @@ keywords = ["no_std", "OS"]
 [dependencies]
 accessor = "0.3.0"
 bit_field = "0.10.1"
-num-derive = { version = "0.3.3", default-features = false }
+num-derive = { version = "0.4.0", default-features = false }
 num-traits = { version = "0.2.14", default-features = false }
 paste = "1.0.4"