diff --git a/Cargo.lock b/Cargo.lock
index 4698d615..1f8b7584 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -707,11 +707,11 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cbindgen"
-version = "0.28.0"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eadd868a2ce9ca38de7eeafdcec9c7065ef89b42b32f0839278d55f35c54d1ff"
+checksum = "975982cdb7ad6a142be15bdf84aea7ec6a9e5d4d797c004d43185b24cfe4e684"
 dependencies = [
- "heck 0.4.1",
+ "heck",
  "indexmap 2.7.0",
  "log",
  "proc-macro2",
@@ -873,7 +873,7 @@ version = "4.5.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09176aae279615badda0765c0c0b3f6ed53f4709118af73cf4655d85d1530cd7"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "proc-macro2",
  "quote",
  "syn 2.0.95",
@@ -1784,12 +1784,6 @@ dependencies = [
  "hashbrown 0.15.2",
 ]
 
-[[package]]
-name = "heck"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -3367,7 +3361,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0f3e5beed80eb580c68e2c600937ac2c4eedabdfd5ef1e5b7ea4f3fba84497b"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "itertools 0.11.0",
  "log",
  "multimap",
diff --git a/ffi/Cargo.toml b/ffi/Cargo.toml
index e519f307..2522706b 100644
--- a/ffi/Cargo.toml
+++ b/ffi/Cargo.toml
@@ -13,7 +13,7 @@ post-rs = { path = "../" }
 scrypt-ocl = { path = "../scrypt-ocl" }
 
 [build-dependencies]
-cbindgen = { version = "0.28.0", default-features = false }
+cbindgen = { version = "0.29.0", default-features = false }
 
 [dev-dependencies]
 tempfile = "3.20.0"