diff --git a/bindings/rust/Cargo.toml b/bindings/rust/Cargo.toml
index 7135f022..a6b85a7f 100644
--- a/bindings/rust/Cargo.toml
+++ b/bindings/rust/Cargo.toml
@@ -54,6 +54,8 @@ threadpool = "^1.8.1"
 [dev-dependencies]
 rand = "0.8"
 rand_chacha = "0.3"
+
+[target.'cfg(any(unix, windows))'.dev-dependencies]
 rmp-serde = "1.1.1"
 criterion = "0.3"