diff --git a/sycl/plugins/unified_runtime/CMakeLists.txt b/sycl/plugins/unified_runtime/CMakeLists.txt
index 468146faa81c5..9f19af3024c2b 100644
--- a/sycl/plugins/unified_runtime/CMakeLists.txt
+++ b/sycl/plugins/unified_runtime/CMakeLists.txt
@@ -100,13 +100,13 @@ if(SYCL_PI_UR_USE_FETCH_CONTENT)
   endfunction()
 
   set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
-  # commit 731376d9dfbc9099a279019ec05c64f0f8c6a7ef
-  # Merge: 40300808 665d4a68
-  # Author: aarongreig <aaron.greig@codeplay.com>
-  # Date:   Fri Jul 5 09:44:30 2024 +0100
-  #     Merge pull request #1802 from nrspruit/fix_immediate_cmdlist_reuse
-  #     [L0] Fix immediate command list use in Command Queues
-  set(UNIFIED_RUNTIME_TAG 0cbacd8a0844acb64091ecbb0c7d6a7df1b6160e)
+  # commit 38bd941caf19213e9091e4da9b98df350f7c7955
+  # Merge: fa06e95c 36ca9f15
+  # Author: Kenneth Benzie (Benie) <k.benzie@codeplay.com>
+  # Date:   Fri Jul 5 13:48:45 2024 +0100
+  #     Merge pull request #1587 from callumfare/callum/native_handle_uintptr_t
+  #     Change ur_native_handle_t to be uintptr_t
+  set(UNIFIED_RUNTIME_TAG 38bd941caf19213e9091e4da9b98df350f7c7955)
 
   fetch_adapter_source(level_zero
     ${UNIFIED_RUNTIME_REPO}
diff --git a/sycl/plugins/unified_runtime/pi2ur.hpp b/sycl/plugins/unified_runtime/pi2ur.hpp
index 5e63a9c49e6a2..172c782ed9454 100644
--- a/sycl/plugins/unified_runtime/pi2ur.hpp
+++ b/sycl/plugins/unified_runtime/pi2ur.hpp
@@ -869,7 +869,7 @@ inline pi_result piextPlatformGetNativeHandle(pi_platform Platform,
   ur_native_handle_t UrNativeHandle{};
   HANDLE_ERRORS(urPlatformGetNativeHandle(UrPlatform, &UrNativeHandle));
 
-  *NativeHandle = reinterpret_cast<pi_native_handle>(UrNativeHandle);
+  *NativeHandle = UrNativeHandle;
 
   return PI_SUCCESS;
 }
@@ -887,8 +887,7 @@ piextPlatformCreateWithNativeHandle(pi_native_handle NativeHandle,
   }
 
   ur_platform_handle_t UrPlatform{};
-  ur_native_handle_t UrNativeHandle =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeHandle = NativeHandle;
   ur_platform_native_properties_t UrProperties{};
   urPlatformCreateWithNativeHandle(UrNativeHandle, adapter, &UrProperties,
                                    &UrPlatform);
@@ -1373,7 +1372,7 @@ inline pi_result piextDeviceGetNativeHandle(pi_device Device,
 
   ur_native_handle_t UrNativeHandle{};
   HANDLE_ERRORS(urDeviceGetNativeHandle(UrDevice, &UrNativeHandle));
-  *NativeHandle = reinterpret_cast<pi_native_handle>(UrNativeHandle);
+  *NativeHandle = UrNativeHandle;
   return PI_SUCCESS;
 }
 
@@ -1390,8 +1389,7 @@ piextDeviceCreateWithNativeHandle(pi_native_handle NativeHandle,
   }
   (void)adapter;
 
-  ur_native_handle_t UrNativeDevice =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeDevice = NativeHandle;
   ur_platform_handle_t UrPlatform =
       reinterpret_cast<ur_platform_handle_t>(Platform);
   auto UrDevice = reinterpret_cast<ur_device_handle_t *>(Device);
@@ -1581,7 +1579,7 @@ inline pi_result piextContextGetNativeHandle(pi_context Context,
       reinterpret_cast<ur_context_handle_t>(Context);
   ur_native_handle_t UrNativeHandle{};
   HANDLE_ERRORS(urContextGetNativeHandle(UrContext, &UrNativeHandle));
-  *NativeHandle = reinterpret_cast<pi_native_handle>(UrNativeHandle);
+  *NativeHandle = UrNativeHandle;
   return PI_SUCCESS;
 }
 
@@ -1597,8 +1595,7 @@ inline pi_result piextContextCreateWithNativeHandle(
   }
   (void)adapter;
 
-  ur_native_handle_t NativeContext =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t NativeContext = NativeHandle;
   const ur_device_handle_t *UrDevices =
       reinterpret_cast<const ur_device_handle_t *>(Devices);
   ur_context_handle_t *UrContext =
@@ -1775,8 +1772,7 @@ inline pi_result piextQueueCreateWithNativeHandle(
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);
   ur_device_handle_t UrDevice = reinterpret_cast<ur_device_handle_t>(Device);
-  ur_native_handle_t UrNativeHandle =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeHandle = NativeHandle;
   ur_queue_handle_t *UrQueue = reinterpret_cast<ur_queue_handle_t *>(Queue);
   ur_queue_native_properties_t UrNativeProperties{};
   UrNativeProperties.isNativeHandleOwned = OwnNativeHandle;
@@ -1825,7 +1821,7 @@ inline pi_result piextQueueGetNativeHandle(pi_queue Queue,
   ur_native_handle_t UrNativeQueue{};
   HANDLE_ERRORS(urQueueGetNativeHandle(UrQueue, &UrNativeDesc, &UrNativeQueue));
 
-  *NativeHandle = reinterpret_cast<pi_native_handle>(UrNativeQueue);
+  *NativeHandle = UrNativeQueue;
 
   return PI_SUCCESS;
 }
@@ -2333,8 +2329,7 @@ piextKernelCreateWithNativeHandle(pi_native_handle NativeHandle,
   PI_ASSERT(NativeHandle, PI_ERROR_INVALID_VALUE);
   PI_ASSERT(Kernel, PI_ERROR_INVALID_KERNEL);
 
-  ur_native_handle_t UrNativeKernel =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeKernel = NativeHandle;
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);
   ur_program_handle_t UrProgram =
@@ -2414,7 +2409,7 @@ inline pi_result piextProgramGetNativeHandle(pi_program Program,
   ur_native_handle_t NativeProgram{};
   HANDLE_ERRORS(urProgramGetNativeHandle(UrProgram, &NativeProgram));
 
-  *NativeHandle = reinterpret_cast<pi_native_handle>(NativeProgram);
+  *NativeHandle = NativeProgram;
 
   return PI_SUCCESS;
 }
@@ -2427,8 +2422,7 @@ piextProgramCreateWithNativeHandle(pi_native_handle NativeHandle,
   PI_ASSERT(NativeHandle, PI_ERROR_INVALID_VALUE);
   PI_ASSERT(Context, PI_ERROR_INVALID_CONTEXT);
 
-  ur_native_handle_t NativeProgram =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t NativeProgram = NativeHandle;
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);
   ur_program_handle_t *UrProgram =
@@ -2669,7 +2663,7 @@ inline pi_result piextKernelGetNativeHandle(pi_kernel Kernel,
   ur_native_handle_t NativeKernel{};
   HANDLE_ERRORS(urKernelGetNativeHandle(UrKernel, &NativeKernel));
 
-  *NativeHandle = reinterpret_cast<pi_native_handle>(NativeKernel);
+  *NativeHandle = NativeKernel;
 
   return PI_SUCCESS;
 }
@@ -3149,8 +3143,7 @@ inline pi_result piextMemImageCreateWithNativeHandle(
   PI_ASSERT(NativeHandle, PI_ERROR_INVALID_VALUE);
   PI_ASSERT(Context, PI_ERROR_INVALID_CONTEXT);
 
-  ur_native_handle_t UrNativeMem =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeMem = NativeHandle;
 
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);
@@ -3225,7 +3218,7 @@ inline pi_result piextMemGetNativeHandle(pi_mem Mem, pi_device Dev,
   ur_native_handle_t NativeMem{};
   HANDLE_ERRORS(urMemGetNativeHandle(UrMem, UrDev, &NativeMem));
 
-  *NativeHandle = reinterpret_cast<pi_native_handle>(NativeMem);
+  *NativeHandle = NativeMem;
 
   return PI_SUCCESS;
 }
@@ -3270,8 +3263,7 @@ inline pi_result piextMemCreateWithNativeHandle(pi_native_handle NativeHandle,
   PI_ASSERT(NativeHandle, PI_ERROR_INVALID_VALUE);
   PI_ASSERT(Context, PI_ERROR_INVALID_CONTEXT);
 
-  ur_native_handle_t UrNativeMem =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeMem = NativeHandle;
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);
   ur_mem_handle_t *UrMem = reinterpret_cast<ur_mem_handle_t *>(Mem);
@@ -4319,7 +4311,7 @@ inline pi_result piEventCreate(pi_context Context, pi_event *RetEvent) {
   // as urEventCreate
   ur_event_native_properties_t Properties{};
   HANDLE_ERRORS(
-      urEventCreateWithNativeHandle(nullptr, UrContext, &Properties, UREvent));
+      urEventCreateWithNativeHandle(NULL, UrContext, &Properties, UREvent));
 
   return PI_SUCCESS;
 }
@@ -4333,8 +4325,7 @@ inline pi_result piextEventCreateWithNativeHandle(pi_native_handle NativeHandle,
   PI_ASSERT(Event, PI_ERROR_INVALID_EVENT);
   PI_ASSERT(NativeHandle, PI_ERROR_INVALID_VALUE);
 
-  ur_native_handle_t UrNativeKernel =
-      reinterpret_cast<ur_native_handle_t>(NativeHandle);
+  ur_native_handle_t UrNativeKernel = NativeHandle;
 
   ur_context_handle_t UrContext =
       reinterpret_cast<ur_context_handle_t>(Context);