diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cb5fdbbc..654d8bbea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+* Added experimental implementation of query service client
 * Fixed sometime panic on topic writer closing
 * Added experimental query parameters builder `ydb.ParamsBuilder()`
 * Changed types of `table/table.{QueryParameters,ParameterOption}` to aliases on `internal/params.{Parameters,NamedValue}`