diff --git a/Cargo.lock b/Cargo.lock
index 951eaa96..d0232fee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bindgen"
-version = "0.71.1"
+version = "0.72.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f58bf3d7db68cfbac37cfc485a8d711e87e064c3d0fe0435b92f7a407f9d6b3"
+checksum = "4f72209734318d0b619a5e0f5129918b848c416e122a3c4ce054e03cb87b726f"
 dependencies = [
  "bitflags 2.4.2",
  "cexpr",
diff --git a/cryptoki-sys/Cargo.toml b/cryptoki-sys/Cargo.toml
index 0dbecd81..1a1b1f21 100644
--- a/cryptoki-sys/Cargo.toml
+++ b/cryptoki-sys/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/crate/cryptoki-sys"
 rust-version = "1.77"
 
 [build-dependencies]
-bindgen = { version = "0.71.1", optional = true }
+bindgen = { version = "0.72.0", optional = true }
 
 [dependencies]
 libloading = "0.8.6"
diff --git a/cryptoki-sys/src/bindings/aarch64-apple-darwin.rs b/cryptoki-sys/src/bindings/aarch64-apple-darwin.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/aarch64-apple-darwin.rs
+++ b/cryptoki-sys/src/bindings/aarch64-apple-darwin.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/aarch64-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/aarch64-unknown-linux-gnu.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/aarch64-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/aarch64-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/arm-unknown-linux-gnueabi.rs b/cryptoki-sys/src/bindings/arm-unknown-linux-gnueabi.rs
index d1fe14f6..c6d1e04f 100644
--- a/cryptoki-sys/src/bindings/arm-unknown-linux-gnueabi.rs
+++ b/cryptoki-sys/src/bindings/arm-unknown-linux-gnueabi.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/generic.rs b/cryptoki-sys/src/bindings/generic.rs
index 3acb014b..366382e4 100644
--- a/cryptoki-sys/src/bindings/generic.rs
+++ b/cryptoki-sys/src/bindings/generic.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -4478,7 +4478,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -5718,7 +5718,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/i686-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/i686-unknown-linux-gnu.rs
index d1fe14f6..c6d1e04f 100644
--- a/cryptoki-sys/src/bindings/i686-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/i686-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/loongarch64-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/loongarch64-unknown-linux-gnu.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/loongarch64-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/loongarch64-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/powerpc64-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/powerpc64-unknown-linux-gnu.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/powerpc64-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/powerpc64-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/riscv64gc-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/riscv64gc-unknown-linux-gnu.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/riscv64gc-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/riscv64gc-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/x86_64-apple-darwin.rs b/cryptoki-sys/src/bindings/x86_64-apple-darwin.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/x86_64-apple-darwin.rs
+++ b/cryptoki-sys/src/bindings/x86_64-apple-darwin.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/x86_64-pc-windows-msvc.rs b/cryptoki-sys/src/bindings/x86_64-pc-windows-msvc.rs
index 270aa7f1..0b338900 100644
--- a/cryptoki-sys/src/bindings/x86_64-pc-windows-msvc.rs
+++ b/cryptoki-sys/src/bindings/x86_64-pc-windows-msvc.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/x86_64-unknown-freebsd.rs b/cryptoki-sys/src/bindings/x86_64-unknown-freebsd.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/x86_64-unknown-freebsd.rs
+++ b/cryptoki-sys/src/bindings/x86_64-unknown-freebsd.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/src/bindings/x86_64-unknown-linux-gnu.rs b/cryptoki-sys/src/bindings/x86_64-unknown-linux-gnu.rs
index be845490..f508810d 100644
--- a/cryptoki-sys/src/bindings/x86_64-unknown-linux-gnu.rs
+++ b/cryptoki-sys/src/bindings/x86_64-unknown-linux-gnu.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 pub const CRYPTOKI_VERSION_MAJOR: CK_BYTE = 3;
 pub const CRYPTOKI_VERSION_MINOR: CK_BYTE = 2;
@@ -6461,7 +6461,7 @@ pub struct Pkcs11 {
             arg2: *mut CK_MECHANISM,
             arg3: CK_OBJECT_HANDLE,
             arg4: *mut CK_BYTE,
-            arg5: *mut CK_ULONG,
+            arg5: CK_ULONG,
             arg6: *mut CK_ATTRIBUTE,
             arg7: CK_ULONG,
             arg8: *mut CK_OBJECT_HANDLE,
@@ -7701,7 +7701,7 @@ impl Pkcs11 {
         arg2: *mut CK_MECHANISM,
         arg3: CK_OBJECT_HANDLE,
         arg4: *mut CK_BYTE,
-        arg5: *mut CK_ULONG,
+        arg5: CK_ULONG,
         arg6: *mut CK_ATTRIBUTE,
         arg7: CK_ULONG,
         arg8: *mut CK_OBJECT_HANDLE,
diff --git a/cryptoki-sys/vendor/README.md b/cryptoki-sys/vendor/README.md
index c7c12ff9..e14a1861 100644
--- a/cryptoki-sys/vendor/README.md
+++ b/cryptoki-sys/vendor/README.md
@@ -1,7 +1,7 @@
 Vendor
 
-This is downloaded from https://github.com/latchset/pkcs11-headers/blob/693bdfdbe5e674a389e8f43be2de47980e50699e/public-domain/3.2/pkcs11.h:
+This is downloaded from https://github.com/latchset/pkcs11-headers/blob/b5bc9abb21c05b3f29714781311caa3132527cb7/public-domain/3.2/pkcs11.h:
 
 ```shell
-wget https://raw.githubusercontent.com/latchset/pkcs11-headers/693bdfdbe5e674a389e8f43be2de47980e50699e/public-domain/3.2/pkcs11.h
+wget https://raw.githubusercontent.com/latchset/pkcs11-headers/b5bc9abb21c05b3f29714781311caa3132527cb7/public-domain/3.2/pkcs11.h
 ```
diff --git a/cryptoki-sys/vendor/pkcs11.h b/cryptoki-sys/vendor/pkcs11.h
index 4140fd70..6be07a00 100644
--- a/cryptoki-sys/vendor/pkcs11.h
+++ b/cryptoki-sys/vendor/pkcs11.h
@@ -396,7 +396,7 @@ ULONGDEF(CK_XMSS_PARAMETER_SET_TYPE);
 #define CKF_EXCLUDE_PIN 0x00000010UL
 #define CKF_USER_FRIENDLY_OTP 0x00000020UL
 
-/* CKF (paramters to functions) */
+/* CKF (parameters to functions) */
 #define CKF_DONT_BLOCK 1
 
 /* CKF (session) */
@@ -2221,7 +2221,7 @@ extern CK_RV C_GenerateKeyPair(CK_SESSION_HANDLE, CK_MECHANISM *,
 extern CK_RV C_WrapKey(CK_SESSION_HANDLE, CK_MECHANISM *, CK_OBJECT_HANDLE,
                        CK_OBJECT_HANDLE, CK_BYTE *, CK_ULONG *);
 extern CK_RV C_UnwrapKey(CK_SESSION_HANDLE, CK_MECHANISM *, CK_OBJECT_HANDLE,
-                         CK_BYTE *, CK_ULONG *, CK_ATTRIBUTE *, CK_ULONG,
+                         CK_BYTE *, CK_ULONG, CK_ATTRIBUTE *, CK_ULONG,
                          CK_OBJECT_HANDLE *);
 extern CK_RV C_DeriveKey(CK_SESSION_HANDLE, CK_MECHANISM *, CK_OBJECT_HANDLE,
                          CK_ATTRIBUTE *, CK_ULONG, CK_OBJECT_HANDLE *);