diff --git a/icd/VkICD_mock_icd.json.in b/icd/VkICD_mock_icd.json.in
index e9beacd90..bb0cf41b7 100644
--- a/icd/VkICD_mock_icd.json.in
+++ b/icd/VkICD_mock_icd.json.in
@@ -2,6 +2,6 @@
     "file_format_version": "1.0.1",
     "ICD": {
         "library_path": "@JSON_LIBRARY_PATH@",
-        "api_version": "1.3.269"
+        "api_version": "1.3.270"
     }
 }
\ No newline at end of file
diff --git a/icd/generated/function_declarations.h b/icd/generated/function_declarations.h
index e996d7fa3..fad1bf0dd 100644
--- a/icd/generated/function_declarations.h
+++ b/icd/generated/function_declarations.h
@@ -142,6 +142,7 @@ static const std::unordered_map<std::string, uint32_t> device_extension_map = {
     {"VK_EXT_hdr_metadata", 2},
     {"VK_KHR_imageless_framebuffer", 1},
     {"VK_KHR_create_renderpass2", 1},
+    {"VK_IMG_relaxed_line_rasterization", 1},
     {"VK_KHR_shared_presentable_image", 1},
     {"VK_KHR_external_fence", 1},
     {"VK_KHR_external_fence_win32", 1},
@@ -2801,6 +2802,7 @@ static VKAPI_ATTR void VKAPI_CALL SetHdrMetadataEXT(
     const VkSwapchainKHR*                       pSwapchains,
     const VkHdrMetadataEXT*                     pMetadata);
 
+
 #ifdef VK_USE_PLATFORM_IOS_MVK
 
 static VKAPI_ATTR VkResult VKAPI_CALL CreateIOSSurfaceMVK(
diff --git a/icd/generated/function_definitions.h b/icd/generated/function_definitions.h
index c2678efa0..3f0cc7471 100644
--- a/icd/generated/function_definitions.h
+++ b/icd/generated/function_definitions.h
@@ -4606,6 +4606,7 @@ static VKAPI_ATTR void VKAPI_CALL SetHdrMetadataEXT(
 //Not a CREATE or DESTROY function
 }
 
+
 #ifdef VK_USE_PLATFORM_IOS_MVK
 
 static VKAPI_ATTR VkResult VKAPI_CALL CreateIOSSurfaceMVK(
diff --git a/icd/generated/vk_typemap_helper.h b/icd/generated/vk_typemap_helper.h
index 137b5b9c2..1d1dbe81c 100644
--- a/icd/generated/vk_typemap_helper.h
+++ b/icd/generated/vk_typemap_helper.h
@@ -4080,6 +4080,15 @@ template <> struct LvlSTypeMap<VK_STRUCTURE_TYPE_HDR_METADATA_EXT> {
     typedef VkHdrMetadataEXT Type;
 };
 
+// Map type VkPhysicalDeviceRelaxedLineRasterizationFeaturesIMG to id VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RELAXED_LINE_RASTERIZATION_FEATURES_IMG
+template <> struct LvlTypeMap<VkPhysicalDeviceRelaxedLineRasterizationFeaturesIMG> {
+    static const VkStructureType kSType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RELAXED_LINE_RASTERIZATION_FEATURES_IMG;
+};
+
+template <> struct LvlSTypeMap<VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RELAXED_LINE_RASTERIZATION_FEATURES_IMG> {
+    typedef VkPhysicalDeviceRelaxedLineRasterizationFeaturesIMG Type;
+};
+
 #ifdef VK_USE_PLATFORM_IOS_MVK
 // Map type VkIOSSurfaceCreateInfoMVK to id VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK
 template <> struct LvlTypeMap<VkIOSSurfaceCreateInfoMVK> {
diff --git a/scripts/generate_vulkan_wrapper.py b/scripts/generate_vulkan_wrapper.py
index 2e5fa54df..e2e947cbe 100755
--- a/scripts/generate_vulkan_wrapper.py
+++ b/scripts/generate_vulkan_wrapper.py
@@ -889,6 +889,9 @@ def __repr__(self):
     Command(name='vkSetHdrMetadataEXT', dispatch='VkDevice'),
 ])
 
+VK_IMG_relaxed_line_rasterization = Extension(name='VK_IMG_relaxed_line_rasterization', version=1, guard=None, commands=[
+])
+
 VK_EXT_external_memory_dma_buf = Extension(name='VK_EXT_external_memory_dma_buf', version=1, guard=None, commands=[
 ])
 
@@ -1958,6 +1961,7 @@ def __repr__(self):
     VK_EXT_depth_clip_enable,
     VK_EXT_swapchain_colorspace,
     VK_EXT_hdr_metadata,
+    VK_IMG_relaxed_line_rasterization,
     VK_EXT_external_memory_dma_buf,
     VK_EXT_queue_family_foreign,
     VK_EXT_debug_utils,
diff --git a/scripts/known_good.json b/scripts/known_good.json
index bef0025a3..a465f139e 100644
--- a/scripts/known_good.json
+++ b/scripts/known_good.json
@@ -7,7 +7,7 @@
             "sub_dir": "Vulkan-Headers",
             "build_dir": "Vulkan-Headers/build",
             "install_dir": "Vulkan-Headers/build/install",
-            "commit": "v1.3.269"
+            "commit": "v1.3.270"
         },
         {
             "name": "MoltenVK",
@@ -35,7 +35,7 @@
             "cmake_options": [
                 "-DLOADER_USE_UNSAFE_FILE_SEARCH=ON"
             ],
-            "commit": "v1.3.269",
+            "commit": "v1.3.270",
             "build_platforms": [
                 "windows",
                 "linux",