diff --git a/Cargo.lock b/Cargo.lock
index eef3a37..9de80d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -162,9 +162,9 @@ dependencies = [
 
 [[package]]
 name = "cmod"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a46b119ebb05381fef2aaa45861fa68aa319b14377457048dd4fd6e804025cfe"
+checksum = "6122b48f04d73138162a2ef3d465c2cdc1e31b0fe5f5f3cb4fedd0b9e48d39ca"
 dependencies = [
  "cmod-core",
  "cmod-macros",
@@ -172,9 +172,9 @@ dependencies = [
 
 [[package]]
 name = "cmod-core"
-version = "0.4.0"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "832232fd278e0286ca3eb41e4d021485ba2298d5283283b3418b0da7d0fd9d58"
+checksum = "c131a53cf30daabc06e1afc78cb5da1ca50950d48b054d23cd2933ff19666260"
 dependencies = [
  "mlua",
  "pyo3",
@@ -981,6 +981,7 @@ dependencies = [
  "erased-serde",
  "futures-util",
  "mlua-sys",
+ "mlua_derive",
  "num-traits",
  "parking_lot",
  "rustc-hash",
@@ -999,6 +1000,17 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "mlua_derive"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cfc5faa2e0d044b3f5f0879be2920e0a711c97744c42cf1c295cb183668933e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "multimap"
 version = "0.10.0"