diff --git a/Cargo.toml b/Cargo.toml
index ff2a2f8db..ce1763818 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "zcash-mmr"
+name = "zcash_mmr"
 version = "0.1.0"
 authors = ["NikVolf <nikvolf@gmail.com>"]
 edition = "2018"