diff --git a/common/TracyProtocol.hpp b/common/TracyProtocol.hpp
index b7a4f58f..ec6b49a3 100644
--- a/common/TracyProtocol.hpp
+++ b/common/TracyProtocol.hpp
@@ -9,7 +9,7 @@
 namespace tracy
 {
 
-enum : uint32_t { ProtocolVersion = 1 };
+enum : uint32_t { ProtocolVersion = 2 };
 
 using lz4sz_t = uint32_t;
 
diff --git a/common/TracyQueue.hpp b/common/TracyQueue.hpp
index 8cdfec7d..0f77b532 100644
--- a/common/TracyQueue.hpp
+++ b/common/TracyQueue.hpp
@@ -21,6 +21,7 @@ enum class QueueType : uint8_t
     ZoneBegin,
     ZoneBeginCallstack,
     ZoneEnd,
+    ZoneValidation,
     FrameMarkMsg,
     FrameMarkMsgStart,
     FrameMarkMsgEnd,
@@ -73,6 +74,12 @@ struct QueueZoneEnd
     uint32_t cpu;
 };
 
+struct QueueZoneValidation
+{
+    uint64_t thread;
+    uint32_t id;
+};
+
 struct QueueStringTransfer
 {
     uint64_t ptr;
@@ -268,6 +275,7 @@ struct QueueItem
     {
         QueueZoneBegin zoneBegin;
         QueueZoneEnd zoneEnd;
+        QueueZoneValidation zoneValidation;
         QueueStringTransfer stringTransfer;
         QueueFrameMark frameMark;
         QueueSourceLocation srcloc;
@@ -312,6 +320,7 @@ static const size_t QueueDataSize[] = {
     sizeof( QueueHeader ) + sizeof( QueueZoneBegin ),
     sizeof( QueueHeader ) + sizeof( QueueZoneBegin ),       // callstack
     sizeof( QueueHeader ) + sizeof( QueueZoneEnd ),
+    sizeof( QueueHeader ) + sizeof( QueueZoneValidation ),
     sizeof( QueueHeader ) + sizeof( QueueFrameMark ),       // continuous frames
     sizeof( QueueHeader ) + sizeof( QueueFrameMark ),       // start
     sizeof( QueueHeader ) + sizeof( QueueFrameMark ),       // end