diff --git a/vulkan-sdk-1.4.313.0.tar.gz b/vulkan-sdk-1.4.313.0.tar.gz
deleted file mode 100644
index 51c5217..0000000
--- a/vulkan-sdk-1.4.313.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:49b8ee6c2352157b12b1c87eb1165bc0f82a885bc2135ad97041ac84f79aacd0
-size 6370824
diff --git a/vulkan-sdk-1.4.321.0.tar.gz b/vulkan-sdk-1.4.321.0.tar.gz
new file mode 100644
index 0000000..7992b18
--- /dev/null
+++ b/vulkan-sdk-1.4.321.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80f929ac4e9a1810401064fcd3a789a98006c7916b73b215c235a5f538daa5e9
+size 6494385
diff --git a/vulkan-validationlayers.changes b/vulkan-validationlayers.changes
index a65f0f5..34f5849 100644
--- a/vulkan-validationlayers.changes
+++ b/vulkan-validationlayers.changes
@@ -1,3 +1,34 @@
+-------------------------------------------------------------------
+Thu Jul 17 06:22:07 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to tag SDK-1.4.321.0
+  * layers: Add check for UAB features
+  * layers: Add submit validation of dynamic rendering barriers
+  * layers: Add VK_KHR_robustness2
+  * layers: Add DGC in renderpass check
+  * layers: Add shaderRelaxedExtendedInstruction check
+  * layers: Add CooperativeMatrix version check
+  * layers: Add VK_EXT_zero_initialize_device_memory
+  * layers: Remove layout map compatibility check
+  * layers: Add detailed info about video profiles in error msgs
+  * layers: Rename many image layout names
+  * sync: Validate vkCmdCopyAccelerationStructureKHR
+  * sync: Validate vkCmdCopyAccelerationStructureToMemoryKHR
+  * sync: Validate vkCmdTraceRaysKHR TLAS accesses
+  * layers: Validate vkCmdTraceRaysIndirectKHR
+  * layers: Fix crash for geometry dynamic state
+  * gpuav: Profile GPU memory usage with Tracy
+  * layers: Add validation for VK_KHR_maintenancne9
+  * layers: Add support for VK_KHR_video_decode_vp9
+  * layers: Validate VkAttachmentFeedbackLoopInfoEXT
+  * layers: Add DescriptorTemplate object tracking support
+  * layers: Add per-slice layout tracking for 3d images
+  * layers: Add VK_KHR_presentid2 and VK_KHR_present_wait2
+  * layers: Add VK_VALVE_fragment_density_map_layered
+  * layers: Add missing asymmetric events validation
+  * layers: Validate global image layouts during queue retire phase
+  * layers: Add support for VK_KHR_video_encode_intra_refresh
+
 -------------------------------------------------------------------
 Sun May 18 06:02:29 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/vulkan-validationlayers.spec b/vulkan-validationlayers.spec
index 4e5a390..6b3e6c5 100644
--- a/vulkan-validationlayers.spec
+++ b/vulkan-validationlayers.spec
@@ -20,7 +20,7 @@
 %endif
 
 Name:           vulkan-validationlayers
-Version:        1.4.313
+Version:        1.4.321
 Release:        0
 Summary:        Validation layers for Vulkan
 License:        Apache-2.0
@@ -31,15 +31,15 @@ Patch2:         xxhash.diff
 BuildRequires:  cmake >= 3.7.12
 BuildRequires:  gcc%{?gcc_version} >= 9
 BuildRequires:  gcc%{?gcc_version}-c++ >= 9
-BuildRequires:  glslang-devel >= 15.1
+BuildRequires:  glslang-devel >= 15.4
 BuildRequires:  memory-constraints
 BuildRequires:  pkg-config
 BuildRequires:  python3-base
-BuildRequires:  spirv-headers >= 1.6.4+sdk309+git17
-BuildRequires:  spirv-tools-devel >= 2025.2~rc2
+BuildRequires:  spirv-headers >= 1.6.4+sdk313+git19
+BuildRequires:  spirv-tools-devel >= 2025.3~rc1
 BuildRequires:  vulkan-headers >= %version
 BuildRequires:  vulkan-utility-libraries-devel >= %version
-BuildRequires:  xxhash-devel
+BuildRequires:  pkgconfig(libxxhash)
 BuildRequires:  pkgconfig(vulkan) >= %version
 BuildRequires:  pkgconfig(x11)
 BuildRequires:  pkgconfig(xcb)
@@ -53,7 +53,8 @@ This package contains the Khronos official Vulkan validation layers.
 
 %prep
 %autosetup -n Vulkan-ValidationLayers-vulkan-sdk-%version.0 -p1
-perl -i -pe 's{\@PACKAGE_VERSION\@}{%version}' CMakeLists.txt */CMakeLists.txt
+perl -i -lpe 's{\@PACKAGE_VERSION\@}{%version}' CMakeLists.txt */CMakeLists.txt
+rm -Rfv layers/external/xxhash* layers/external/parallel_hashmap
 
 %build
 %limit_build -m 2000