diff --git a/sdk-1.3.239.0.tar.gz b/sdk-1.3.239.0.tar.gz
deleted file mode 100644
index 463c459..0000000
--- a/sdk-1.3.239.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fdaf6670e311cd1c08ae90bf813e89dd31630205bc60030ffd25fb0af39b51fe
-size 446295
diff --git a/sdk-1.3.243.0.tar.gz b/sdk-1.3.243.0.tar.gz
new file mode 100644
index 0000000..ee7fe2c
--- /dev/null
+++ b/sdk-1.3.243.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:16927b1868e7891377d059cd549484e4158912439cf77451ae7e01e2a3bcd28b
+size 449924
diff --git a/spirv-headers.changes b/spirv-headers.changes
index 404086d..8cab003 100644
--- a/spirv-headers.changes
+++ b/spirv-headers.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Wed Mar 29 18:40:35 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 1.6.1/SDK-1.3.243.0
+  * Added SPRIV_INTEL_argument_interfaces, RegisterMapInterfaceINTEL,
+    SPV_QCOM_image_processing
+  * Added support for SPV_INTEL_fpga_latency_control extension
+  * Headers support for SPV_INTEL_bfloat16_conversion
+
 -------------------------------------------------------------------
 Sun Jan 29 13:02:53 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/spirv-headers.spec b/spirv-headers.spec
index 206fd5d..0092fff 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -24,13 +24,14 @@
 # and the independently increasing toolchain release number (239).
 
 Name:           spirv-headers
-Version:        1.6.1+sdk239
+Version:        1.6.1+sdk243
+%define innerver 1.3.243.0
 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/sdk-1.3.239.0.tar.gz
+Source:         https://github.com/KhronosGroup/SPIRV-Headers/archive/sdk-%innerver.tar.gz
 BuildArch:      noarch
 BuildRequires:  cmake >= 2.8
 BuildRequires:  fdupes
@@ -47,7 +48,7 @@ registry. This includes:
 * The XML registry file.
 
 %prep
-%autosetup -n SPIRV-Headers-sdk-1.3.239.0
+%autosetup -n SPIRV-Headers-sdk-%innerver
 
 %build
 %cmake