diff --git a/Cargo.toml b/Cargo.toml
index d7a2c1c..7c9f635 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ windows-sys = { version = ">= 0.60, <= 0.61", features = ["Win32_Devices_Usb", "
 [target.'cfg(target_os="macos")'.dependencies]
 core-foundation = "0.10.1"
 core-foundation-sys = "0.8.4"
-io-kit-sys = "0.4.0"
+io-kit-sys = "0.5.0"
 
 [target.'cfg(any(target_os="linux", target_os="android", target_os="windows", target_os="macos"))'.dependencies]
 blocking = { version = "1.6.1", optional = true }
diff --git a/src/platform/macos_iokit/device.rs b/src/platform/macos_iokit/device.rs
index ab4809c..9f20f39 100644
--- a/src/platform/macos_iokit/device.rs
+++ b/src/platform/macos_iokit/device.rs
@@ -147,7 +147,7 @@ impl MacDevice {
 
     pub(crate) fn configuration_descriptors(
         &self,
-    ) -> impl Iterator<Item = ConfigurationDescriptor> {
+    ) -> impl Iterator<Item = ConfigurationDescriptor<'_>> {
         self.config_descriptors
             .iter()
             .map(|d| ConfigurationDescriptor::new_unchecked(&d[..]))
@@ -343,7 +343,7 @@ impl MacDevice {
         let res = unsafe {
             call_iokit_function!(
                 self.device.raw,
-                DeviceRequestAsyncTO(&mut req, transfer_callback, ptr as *mut c_void)
+                DeviceRequestAsyncTO(&mut req, Some(transfer_callback), ptr as *mut c_void)
             )
         };
 
@@ -564,7 +564,7 @@ impl MacEndpoint {
                         self.inner.pipe_ref,
                         buf_ptr as *mut c_void,
                         req_len,
-                        transfer_callback,
+                        Some(transfer_callback),
                         ptr as *mut c_void
                     )
                 ),
@@ -574,7 +574,7 @@ impl MacEndpoint {
                         self.inner.pipe_ref,
                         buf_ptr as *mut c_void,
                         req_len,
-                        transfer_callback,
+                        Some(transfer_callback),
                         ptr as *mut c_void
                     )
                 ),
diff --git a/src/platform/macos_iokit/hotplug.rs b/src/platform/macos_iokit/hotplug.rs
index f9e5f53..d43ab89 100644
--- a/src/platform/macos_iokit/hotplug.rs
+++ b/src/platform/macos_iokit/hotplug.rs
@@ -154,7 +154,7 @@ fn register_notification(
         let mut iter = 0;
         let r = IOServiceAddMatchingNotification(
             port.0,
-            event as *mut c_char,
+            event as *const c_char,
             ManuallyDrop::new(dictionary.clone()).as_concrete_TypeRef(),
             callback,
             waker.0 as *mut c_void,