diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index da5339ca..d5abfb3a 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -70,6 +70,7 @@ static const struct vkd3d_optional_extension_info optional_device_extensions[] =
     VK_EXTENSION_COND(KHR_DEFERRED_HOST_OPERATIONS, KHR_deferred_host_operations, VKD3D_CONFIG_FLAG_DXR),
     VK_EXTENSION_COND(KHR_PIPELINE_LIBRARY, KHR_pipeline_library, VKD3D_CONFIG_FLAG_DXR),
     VK_EXTENSION_COND(KHR_RAY_QUERY, KHR_ray_query, VKD3D_CONFIG_FLAG_DXR11),
+    VK_EXTENSION_COND(KHR_RAY_TRACING_MAINTENANCE_1, KHR_ray_tracing_maintenance1, VKD3D_CONFIG_FLAG_DXR11),
     VK_EXTENSION(KHR_SPIRV_1_4, KHR_spirv_1_4),
     VK_EXTENSION(KHR_SHADER_FLOAT_CONTROLS, KHR_shader_float_controls),
     VK_EXTENSION(KHR_FRAGMENT_SHADING_RATE, KHR_fragment_shading_rate),
@@ -1354,6 +1355,12 @@ static void vkd3d_physical_device_info_init(struct vkd3d_physical_device_info *i
         vk_prepend_struct(&info->features2, &info->ray_query_features);
     }
 
+    if (vulkan_info->KHR_ray_tracing_maintenance1)
+    {
+        info->ray_tracing_maintenance1_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_MAINTENANCE_1_FEATURES_KHR;
+        vk_prepend_struct(&info->features2, &info->ray_tracing_maintenance1_features);
+    }
+
     if (vulkan_info->KHR_shader_float_controls)
     {
         info->float_control_properties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT_CONTROLS_PROPERTIES_KHR;
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index 877e3442..8fee4008 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -133,6 +133,7 @@ struct vkd3d_vulkan_info
     bool KHR_driver_properties;
     bool KHR_uniform_buffer_standard_layout;
     bool KHR_maintenance4;
+    bool KHR_ray_tracing_maintenance1;
     /* EXT device extensions */
     bool EXT_calibrated_timestamps;
     bool EXT_conditional_rendering;
@@ -3073,6 +3074,7 @@ struct vkd3d_physical_device_info
     VkPhysicalDeviceDynamicRenderingFeaturesKHR dynamic_rendering_features;
     VkPhysicalDeviceCoherentMemoryFeaturesAMD device_coherent_memory_features_amd;
     VkPhysicalDeviceMaintenance4FeaturesKHR maintenance4_features;
+    VkPhysicalDeviceRayTracingMaintenance1FeaturesKHR ray_tracing_maintenance1_features;
 
     VkPhysicalDeviceFeatures2 features2;
 
diff --git a/libs/vkd3d/vulkan_procs.h b/libs/vkd3d/vulkan_procs.h
index c3b37257..e65bb8be 100644
--- a/libs/vkd3d/vulkan_procs.h
+++ b/libs/vkd3d/vulkan_procs.h
@@ -280,6 +280,9 @@ VK_DEVICE_EXT_PFN(vkQueuePresentKHR)
 VK_DEVICE_EXT_PFN(vkCmdBeginRenderingKHR)
 VK_DEVICE_EXT_PFN(vkCmdEndRenderingKHR)
 
+/* VK_KHR_ray_tracing_maintenance1 */
+VK_DEVICE_EXT_PFN(vkCmdTraceRaysIndirect2KHR)
+
 /* VK_AMD_buffer_marker */
 VK_DEVICE_EXT_PFN(vkCmdWriteBufferMarkerAMD)