diff --git a/include/spirv/spir-v.xml b/include/spirv/spir-v.xml
index 71e5022..f383d72 100644
--- a/include/spirv/spir-v.xml
+++ b/include/spirv/spir-v.xml
@@ -70,7 +70,8 @@
         <id value="18"  vendor="Wine" tool="VKD3D Shader Compiler" comment="Contact wine-devel@winehq.org"/>
         <id value="19"  vendor="Clay" tool="Clay Shader Compiler" comment="Contact info@clayengine.com"/>
         <id value="20"  vendor="W3C WebGPU Group" tool="WHLSL Shader Translator" comment="https://github.com/gpuweb/WHLSL"/>
-        <unused start="21" end="0xFFFF" comment="Tool ID range reservable for future use by vendors"/>
+        <id value="21"  vendor="Google" tool="Clspv" comment="Contact David Neto, dneto@google.com"/>
+        <unused start="22" end="0xFFFF" comment="Tool ID range reservable for future use by vendors"/>
     </ids>
 
     <!-- SECTION: SPIR-V Opcodes and Enumerants -->