diff --git a/Cargo.toml b/Cargo.toml
index 01aaaeb0..78bd565d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ serde-value = { version = "0.7", optional = true }
 parking_lot = { version = "0.12", features = ["arc_lock"] }
 anyhow = { version = "1.0", optional = true }
 
-ffi = { package = "mlua-sys", version = "0.6.5", path = "mlua-sys" }
+ffi = { package = "mlua-sys", version = "0.6.6", path = "mlua-sys" }
 
 [target.'cfg(unix)'.dependencies]
 libloading = { version = "0.8", optional = true }
diff --git a/mlua-sys/Cargo.toml b/mlua-sys/Cargo.toml
index d6d08441..dc3168c4 100644
--- a/mlua-sys/Cargo.toml
+++ b/mlua-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mlua-sys"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Aleksandr Orlenko <zxteam@pm.me>"]
 rust-version = "1.71"
 edition = "2021"