diff --git a/DEPS b/DEPS
index 01ee7cc461..e4e5bed369 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@ vars = {
 
   're2_revision': '972a15cedd008d846f1a39b2e88ce48d7f166cbd',
 
-  'spirv_headers_revision': '8c5559c134abcf432ec59db842404087b9906c1a',
+  'spirv_headers_revision': '3a6a304f03faf5bec1c9483bf01ba5b3879695c2',
 
   'mimalloc_revision': 'fef6b0dd70f9d7fa0750b0d0b9fbb471203b94cd',
 }
diff --git a/source/val/validate_cfg.cpp b/source/val/validate_cfg.cpp
index 679e1d91e9..a4d2a66322 100644
--- a/source/val/validate_cfg.cpp
+++ b/source/val/validate_cfg.cpp
@@ -345,6 +345,9 @@ spv_result_t ValidateLoopMerge(ValidationState_t& _, const Instruction* inst) {
   if ((loop_control >> spv::LoopControlShift::PartialCount) & 0x1) {
     ++operand;
   }
+  if ((loop_control >> spv::LoopControlShift::MultipleWaitQueuesQCOM) & 0x1) {
+    ++operand;
+  }
 
   // That the right number of operands is present is checked by the parser. The
   // above code tracks operands for expanded validation checking in the future.