diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d81b9a66..16e587ea7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+* Added `ydb_go_sdk_ydb_query_pool_size_limit` metrics
+
 ## v3.80.7
 * Doesn't rollback a the transaction on the operation error in table service
 
diff --git a/metrics/query.go b/metrics/query.go
index fffa76da1..d8a849adc 100644
--- a/metrics/query.go
+++ b/metrics/query.go
@@ -42,7 +42,7 @@ func query(config Config) (t trace.Query) {
 			sizeConfig := poolConfig.WithSystem("size")
 			limit := sizeConfig.GaugeVec("limit")
 			idle := sizeConfig.GaugeVec("idle")
-
+			index := sizeConfig.GaugeVec("index")
 			t.OnPoolChange = func(stats trace.QueryPoolChange) {
 				if sizeConfig.Details()&trace.QueryPoolEvents == 0 {
 					return
@@ -50,6 +50,7 @@ func query(config Config) (t trace.Query) {
 
 				limit.With(nil).Set(float64(stats.Limit))
 				idle.With(nil).Set(float64(stats.Idle))
+				index.With(nil).Set(float64(stats.Index))
 			}
 		}
 	}