diff --git a/Cargo.lock b/Cargo.lock
index 84d4b0d..dfe5701 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -316,11 +316,12 @@ dependencies = [
 
 [[package]]
 name = "bstr"
-version = "0.2.17"
+version = "1.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
+checksum = "4c2f7349907b712260e64b0afe2f84692af14a454be26187d9df565c7f69266a"
 dependencies = [
  "memchr",
+ "serde",
 ]
 
 [[package]]
@@ -1615,21 +1616,30 @@ dependencies = [
 
 [[package]]
 name = "mlua"
-version = "0.8.10"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bb37b0ba91f017aa7ca2b98ef99496827770cd635b4a932a6047c5b4bbe678e"
+checksum = "6c3a7a7ff4481ec91b951a733390211a8ace1caba57266ccb5f4d4966704e560"
 dependencies = [
  "bstr",
- "cc",
  "erased-serde",
- "futures-core",
- "futures-task",
  "futures-util",
+ "mlua-sys",
  "num-traits",
  "once_cell",
- "pkg-config",
  "rustc-hash",
  "serde",
+ "serde-value",
+]
+
+[[package]]
+name = "mlua-sys"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ec8b54eddb76093069cce9eeffb4c7b3a1a0fe66962d7bd44c4867928149ca3"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "pkg-config",
 ]
 
 [[package]]
@@ -1734,6 +1744,15 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordered-float"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7940cf2ca942593318d07fcf2596cdca60a85c9e7fab408a5e21a4f9dcd40d87"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -2268,6 +2287,16 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-value"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3a1a3341211875ef120e117ea7fd5228530ae7e7036a779fdc9117be6b3282c"
+dependencies = [
+ "ordered-float",
+ "serde",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.12"
diff --git a/Cargo.toml b/Cargo.toml
index 53e0199..90b68f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ tokio = { version = "1.32", features = ["macros", "rt-multi-thread"] }
 
 # lua stuff
 language_macros = { path = "./language_macros" }
-mlua = { version = "0.8.10", features = ["lua54", "async", "send", "serialize"] }
+mlua = { version = "0.9.1", features = ["lua54", "async", "send", "serialize"] }
 once_cell = "1.18.0"
 
 # tui feature specific parts
diff --git a/language_macros/src/generate/lua_wrapper/rust_wrapper_functions/mod.rs b/language_macros/src/generate/lua_wrapper/rust_wrapper_functions/mod.rs
index 2557a5f..71d204b 100644
--- a/language_macros/src/generate/lua_wrapper/rust_wrapper_functions/mod.rs
+++ b/language_macros/src/generate/lua_wrapper/rust_wrapper_functions/mod.rs
@@ -196,7 +196,7 @@ fn get_function_body(field: &Field, has_input: bool, output_type: &Option<Type>)
     let does_function_expect_output = if output_type.is_some() {
         quote! {
             // We didn't receive output but expected output. Raise an error to notify the lua code
-            // about it
+            // about it.
             return Err(mlua::Error::ExternalError(std::sync::Arc::new(
                 err
             )));
@@ -210,7 +210,7 @@ fn get_function_body(field: &Field, has_input: bool, output_type: &Option<Type>)
 
     quote! {
         let (callback_tx, callback_rx) = tokio::sync::oneshot::channel::<CommandTransferValue>();
-        let tx: core::cell::Ref<tokio::sync::mpsc::Sender<Event>> =
+        let tx: mlua::AppDataRef<tokio::sync::mpsc::Sender<Event>> =
             lua.app_data_ref().expect("This should exist, it was set before");
 
         (*tx)