diff --git a/vulkan/api/vulkan.api b/vulkan/api/vulkan.api
index 467ae7a..5a67d36 100644
--- a/vulkan/api/vulkan.api
+++ b/vulkan/api/vulkan.api
@@ -223,6 +223,9 @@
 
     //@extension("VK_KHR_swapchain")
     VK_IMAGE_LAYOUT_PRESENT_SRC_KHR                         = 1000001002,
+
+    //@extension("VK_KHR_shared_presentable_image")
+    VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR                      = 1000111000,
 }
 
 enum VkAttachmentLoadOp {
diff --git a/vulkan/include/vulkan/vulkan.h b/vulkan/include/vulkan/vulkan.h
index 26356f3..8d24aa7 100644
--- a/vulkan/include/vulkan/vulkan.h
+++ b/vulkan/include/vulkan/vulkan.h
@@ -530,6 +530,7 @@
     VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL = 7,
     VK_IMAGE_LAYOUT_PREINITIALIZED = 8,
     VK_IMAGE_LAYOUT_PRESENT_SRC_KHR = 1000001002,
+    VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR = 1000111000,
     VK_IMAGE_LAYOUT_BEGIN_RANGE = VK_IMAGE_LAYOUT_UNDEFINED,
     VK_IMAGE_LAYOUT_END_RANGE = VK_IMAGE_LAYOUT_PREINITIALIZED,
     VK_IMAGE_LAYOUT_RANGE_SIZE = (VK_IMAGE_LAYOUT_PREINITIALIZED - VK_IMAGE_LAYOUT_UNDEFINED + 1),