diff --git a/Cargo.toml b/Cargo.toml
index 09047fd..6a92791 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,5 +11,5 @@ conlang = []
 [dependencies]
 datetime = { version = "0.5.2", features = [
     "format",
-], default_features = false, optional = true }
+], default-features = false, optional = true }
 unicode-ident = "1.0.12"