Correct name of `rand_derive`
diff --git a/rand-derive/Cargo.toml b/rand-derive/Cargo.toml
index d04ad1e..45935c4 100644
--- a/rand-derive/Cargo.toml
+++ b/rand-derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 
-name = "rand-derive"
+name = "rand_derive"
 version = "0.3.0"
 authors = ["The Rust Project Developers"]
 license = "MIT/Apache-2.0"