diff --git a/clickhouse/client.cpp b/clickhouse/client.cpp
index 3ca4b79b..945d4a36 100644
--- a/clickhouse/client.cpp
+++ b/clickhouse/client.cpp
@@ -42,6 +42,7 @@
 #define DBMS_MIN_REVISION_WITH_DISTRIBUTED_DEPTH        54448
 #define DBMS_MIN_REVISION_WITH_INITIAL_QUERY_START_TIME 54449
 #define DBMS_MIN_REVISION_WITH_INCREMENTAL_PROFILE_EVENTS 54451
+// #define DBMS_MIN_REVISION_WITH_AGGREGATE_FUNCTIONS_VERSIONING 54452
 #define DBMS_MIN_REVISION_WITH_PARALLEL_REPLICAS        54453
 #define DBMS_MIN_REVISION_WITH_CUSTOM_SERIALIZATION     54454