diff --git a/Cargo.lock b/Cargo.lock
index fb088b2..fac8f68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -136,9 +136,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "autocxx"
-version = "0.27.0"
+version = "0.29.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54119c5e38d82c13a66cf6c6e6d089ff61c2a8f956b61f50485fd636e8f64656"
+checksum = "07e911d2c21dc45db5c85214bebcf71bd4d65e6736eb6cd9c52e40de3b97125a"
 dependencies = [
  "aquamarine",
  "autocxx-macro",
@@ -185,7 +185,7 @@ checksum = "6a25218b648277c080a939f40ccd99bdacdd6789aa44f8135d48d363acc15191"
 dependencies = [
  "aquamarine",
  "autocxx-bindgen",
- "autocxx-parser",
+ "autocxx-parser 0.27.0",
  "cc",
  "cxx-gen",
  "indexmap 1.9.3",
@@ -208,11 +208,11 @@ dependencies = [
 
 [[package]]
 name = "autocxx-macro"
-version = "0.27.0"
+version = "0.29.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fe757787d219845e5d521d1d98d4f3f296b52f586e4eaedbc84ee813f976e0e"
+checksum = "094748436df4ad4b2459927da405a482eef20dfd6ac3af3a28e36a21095381af"
 dependencies = [
- "autocxx-parser",
+ "autocxx-parser 0.29.1",
  "proc-macro-error",
  "proc-macro2",
  "quote",
@@ -237,6 +237,24 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "autocxx-parser"
+version = "0.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f86a21032ca571e866d8f7471cd24d12ff03af024282502ef2478d88e69333e"
+dependencies = [
+ "indexmap 1.9.3",
+ "itertools 0.10.5",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "syn 2.0.50",
+ "thiserror",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
diff --git a/dlib-sys/Cargo.toml b/dlib-sys/Cargo.toml
index a9c473d..1688a17 100644
--- a/dlib-sys/Cargo.toml
+++ b/dlib-sys/Cargo.toml
@@ -10,7 +10,7 @@ links = "dlib-1"
 
 [dependencies]
 cxx = "1.0.124"
-autocxx = "0.27.0"
+autocxx = "0.29.1"
 
 opencv-sys = {path = "../opencv-sys/"}
 serde = "1.0.204"
diff --git a/opencv-sys/Cargo.toml b/opencv-sys/Cargo.toml
index c4150aa..b3172f8 100644
--- a/opencv-sys/Cargo.toml
+++ b/opencv-sys/Cargo.toml
@@ -10,7 +10,7 @@ links = "opencv4"
 
 [dependencies]
 cxx = "1.0.124"
-autocxx = "0.27.0"
+autocxx = "0.29.1"
 serde = "1.0.204"
 
 [build-dependencies]