diff --git a/Cargo.lock b/Cargo.lock
index 6bcd07594..03992af3a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -325,12 +325,12 @@ 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 = [
  "clap",
- "heck 0.4.1",
+ "heck",
  "indexmap 2.9.0",
  "log",
  "proc-macro2",
@@ -1003,12 +1003,6 @@ dependencies = [
  "foldhash",
 ]
 
-[[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"
@@ -3012,7 +3006,7 @@ version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c77a8c5abcaf0f9ce05d62342b7d298c346515365c36b673df4ebe3ced01fde8"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "proc-macro2",
  "quote",
  "rustversion",
diff --git a/src/hyperlight_guest_capi/Cargo.toml b/src/hyperlight_guest_capi/Cargo.toml
index 843f2577e..bf0d338be 100644
--- a/src/hyperlight_guest_capi/Cargo.toml
+++ b/src/hyperlight_guest_capi/Cargo.toml
@@ -17,4 +17,4 @@ hyperlight-common = { workspace = true, default-features = false }
 log = { version = "0.4", default-features = false }
 
 [build-dependencies]
-cbindgen = "0.28.0"
+cbindgen = "0.29.0"