diff --git a/projects/clr/opencl/api/opencl/khronos/headers/opencl2.0/CL/cl.h b/projects/clr/opencl/api/opencl/khronos/headers/opencl2.0/CL/cl.h
index 363bd7fcd3..87fd6d7781 100644
--- a/projects/clr/opencl/api/opencl/khronos/headers/opencl2.0/CL/cl.h
+++ b/projects/clr/opencl/api/opencl/khronos/headers/opencl2.0/CL/cl.h
@@ -391,6 +391,7 @@ typedef struct _cl_buffer_region {
 #define CL_MEM_HOST_NO_ACCESS                       (1 << 9)
 #define CL_MEM_SVM_FINE_GRAIN_BUFFER                (1 << 10)   /* used by cl_svm_mem_flags only */
 #define CL_MEM_SVM_ATOMICS                          (1 << 11)   /* used by cl_svm_mem_flags only */
+#define CL_MEM_KERNEL_READ_AND_WRITE                (1 << 12)
 
 /* cl_mem_migration_flags - bitfield */
 #define CL_MIGRATE_MEM_OBJECT_HOST                  (1 << 0)