diff --git a/milli/Cargo.toml b/milli/Cargo.toml
index 7a6eab737..338924046 100644
--- a/milli/Cargo.toml
+++ b/milli/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [dependencies]
 bimap = { version = "0.6.2", features = ["serde"] }
 bincode = "1.3.3"
+bytemuck = { version = "1.12.1", features = ["extern_crate_alloc"] }
 bstr = "0.2.17"
 byteorder = "1.4.3"
 charabia = "0.6.0"