diff --git a/rustler/Cargo.toml b/rustler/Cargo.toml
index 5c7142d8..55ca9886 100644
--- a/rustler/Cargo.toml
+++ b/rustler/Cargo.toml
@@ -24,7 +24,7 @@ serde = ["dep:serde"]
 [dependencies]
 inventory = "0.3"
 rustler_codegen = { path = "../rustler_codegen", version = "0.34.0" }
-rustler_sys = { path = "../rustler_sys", version = "~2.4.2" }
+rustler_sys = { path = "../rustler_sys", version = "~2.4.3" }
 num-bigint = { version = "0.4", optional = true }
 serde = { version = "1", optional = true }
 
diff --git a/rustler_sys/Cargo.toml b/rustler_sys/Cargo.toml
index 00b4ee71..45a19c92 100644
--- a/rustler_sys/Cargo.toml
+++ b/rustler_sys/Cargo.toml
@@ -20,7 +20,7 @@ name = "rustler_sys"
 # When depending on this crate, you should ALWAYS
 # use a tilde requirements with AT LEAST `~MAJOR.MINOR`.
 # Example: "~2.0"
-version = "2.4.2"
+version = "2.4.3"
 
 authors = ["Daniel Goertzen <daniel.goertzen@gmail.com>"]
 description = "Create Erlang NIF modules in Rust using the C NIF API."