diff --git a/SPIRV-Headers-1.6.g6.tar.xz b/SPIRV-Headers-1.6.g6.tar.xz
deleted file mode 100644
index cd01539..0000000
--- a/SPIRV-Headers-1.6.g6.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cdab82b277e132bd7e7f5d3e9236f7cb6ac041383c4a10ccddf1a927527e954a
-size 145876
diff --git a/_service b/_service
deleted file mode 100644
index 7cd1ecb..0000000
--- a/_service
+++ /dev/null
@@ -1,14 +0,0 @@
-
-
- git
- https://github.com/KhronosGroup/SPIRV-Headers
- b42ba6d92faf6b4938e6f22ddd186dbdacc98d78
- dcd4752edbc7db6f2ced71b652c45be49fcfa4c5
- 1.6.g@TAG_OFFSET@
-
-
- *.tar
- xz
-
-
-
diff --git a/sdk-1.3.211.0.tar.gz b/sdk-1.3.211.0.tar.gz
new file mode 100644
index 0000000..1847f7b
--- /dev/null
+++ b/sdk-1.3.211.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30a78e61bd812c75e09fdc7a319af206b1044536326bc3e85fea818376a12568
+size 420022
diff --git a/spirv-headers.changes b/spirv-headers.changes
index 9a17fa5..602d29e 100644
--- a/spirv-headers.changes
+++ b/spirv-headers.changes
@@ -1,14 +1,22 @@
+-------------------------------------------------------------------
+Mon Apr 18 23:29:28 UTC 2022 - Jan Engelhardt
+
+- Update to 1.6.1+sdk211 (4995a2f)
+ * Implement SPV_KHR_uniform_group_instructions extension
+ * Update SPIR-V headers for SPV_INTEL_split_barrier
+ * Implement SPV_INTEL_memory_access_aliasing extension
+
-------------------------------------------------------------------
Wed Jan 26 20:47:58 UTC 2022 - Jan Engelhardt
-- Update to snapshot 1.6.g6 (b42ba6d)
+- Update to snapshot 1.6.g6 (b42ba6d / sdk204)
* Add definitions to implement the SPIR-V 1.6 spec.
* Add ShaderWriter as SPIR-V generation tool.
-------------------------------------------------------------------
Thu Nov 11 19:38:18 UTC 2021 - Jan Engelhardt
-- Update to snapshot 1.5.5.g9 (814e728b)
+- Update to snapshot 1.5.5.g9 (814e728b / sdk198)
* Add spirv-headers pkgconfig file
* Implement header definitions for SPV_NV_bindless_texture
* Add SpecConstantSubgroupMaxSize to the clspv reflection
diff --git a/spirv-headers.spec b/spirv-headers.spec
index 88ac3dd..33e66e6 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -16,16 +16,22 @@
#
+# The git repo is a hodgepodge.
+# Most recent tag is 1.5.4, but that is outdated
+# CMakeLists.txt's project() line contains 1.5.5, but this is outdated too
+# The SPIR-V version is 1.6.1 (include/spirv/unified1/spirv.core.grammar.json)
+# They add "SDK" tags that reflect the Vulkan version (1.3),
+# and the independently increasing toolchain release number (211).
+
Name: spirv-headers
-Version: 1.6.g6
+Version: 1.6.1+sdk211
Release: 0
Summary: Machine-readable files from the SPIR-V registry
License: MIT
Group: Development/Libraries/C and C++
URL: https://github.com/KhronosGroup/SPIRV-Headers
-#Source: https://github.com/KhronosGroup/SPIRV-Headers/archive/%%version.tar.gz
-Source: SPIRV-Headers-%version.tar.xz
+Source: https://github.com/KhronosGroup/SPIRV-Headers/archive/sdk-1.3.211.0.tar.gz
BuildArch: noarch
BuildRequires: cmake >= 2.8
BuildRequires: fdupes
@@ -42,7 +48,7 @@ registry. This includes:
* The XML registry file.
%prep
-%autosetup -n SPIRV-Headers-%version
+%autosetup -n SPIRV-Headers-sdk-1.3.211.0
%build
%cmake