diff --git a/bench/tx-generator/src/Cardano/Benchmarking/GeneratorTx/NodeToNode.hs b/bench/tx-generator/src/Cardano/Benchmarking/GeneratorTx/NodeToNode.hs
index 5e50d2e56c5..8587bdb6866 100644
--- a/bench/tx-generator/src/Cardano/Benchmarking/GeneratorTx/NodeToNode.hs
+++ b/bench/tx-generator/src/Cardano/Benchmarking/GeneratorTx/NodeToNode.hs
@@ -100,7 +100,7 @@ benchmarkConnectTxSubmit ioManager handshakeTracer submissionTracer codecConfig
     OuroborosApplication $ fold bundle
 
   n2nVer :: NodeToNodeVersion
-  n2nVer = NodeToNodeV_10
+  n2nVer = NodeToNodeV_12
   blkN2nVer :: BlockNodeToNodeVersion blk
   blkN2nVer = supportedVers Map.! n2nVer
   supportedVers :: Map.Map NodeToNodeVersion (BlockNodeToNodeVersion blk)