diff --git a/.gitignore b/.gitignore
index adac936..adb79e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,6 @@ __pycache__
 
 # nimble build dir
 build/
+
+# ccls cache dir
+.ccls-cache/
diff --git a/bindings/rust/Cargo.lock b/bindings/rust/Cargo.lock
index 951b6f0..693f90d 100644
--- a/bindings/rust/Cargo.lock
+++ b/bindings/rust/Cargo.lock
@@ -31,9 +31,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bindgen"
-version = "0.66.1"
+version = "0.69.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
+checksum = "a4c69fae65a523209d34240b60abe0c42d33d1045d445c0839d8a4894a736e2d"
 dependencies = [
  "bitflags",
  "cexpr",
diff --git a/bindings/rust/Cargo.toml b/bindings/rust/Cargo.toml
index ab1f5b8..98bd814 100644
--- a/bindings/rust/Cargo.toml
+++ b/bindings/rust/Cargo.toml
@@ -35,7 +35,7 @@ serde_yaml = "0.9.17"
 serde_json = "1.0.105"
 
 [build-dependencies]
-bindgen = "0.66.1"
+bindgen = "0.69"
 cc = "1.0"
 
 [target.'cfg(target_env = "msvc")'.build-dependencies]
diff --git a/bindings/rust/build.rs b/bindings/rust/build.rs
index 0f677ff..5148333 100644
--- a/bindings/rust/build.rs
+++ b/bindings/rust/build.rs
@@ -49,11 +49,8 @@ fn main() {
     println!("cargo:rustc-link-lib=ckzg");
 }
 
-fn make_bindings<P>(
-    header_path: &str,
-    blst_headers_dir: &str,
-    bindings_out_path: P,
-) where
+fn make_bindings<P>(header_path: &str, blst_headers_dir: &str, bindings_out_path: P)
+where
     P: AsRef<std::path::Path>,
 {
     use bindgen::Builder;
@@ -122,7 +119,7 @@ fn make_bindings<P>(
         /*
          * Re-build instructions
          */
-        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
         .generate()
         .unwrap();