diff --git a/Cargo.toml b/Cargo.toml
index 0738f56..6642ed4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ erased-serde = { version = "0.3", optional = true }
 serde-value = { version = "0.7", optional = true }
 parking_lot = { version = "0.12", optional = true }
 
-ffi = { package = "mlua-sys", version = "0.3.1", path = "mlua-sys" }
+ffi = { package = "mlua-sys", version = "0.3.2", path = "mlua-sys" }
 
 [dev-dependencies]
 rustyline = "12.0"
diff --git a/mlua-sys/Cargo.toml b/mlua-sys/Cargo.toml
index ef36457..c83952a 100644
--- a/mlua-sys/Cargo.toml
+++ b/mlua-sys/Cargo.toml
@@ -1,7 +1,8 @@
 [package]
 name = "mlua-sys"
-version = "0.3.1"
+version = "0.3.2"
 authors = ["Aleksandr Orlenko <zxteam@pm.me>"]
+rust-version = "1.71"
 edition = "2021"
 repository = "https://github.com/khvzak/mlua"
 documentation = "https://docs.rs/mlua-sys"