diff --git a/docker/conf/spark-defaults.conf b/docker/conf/spark-defaults.conf
index 7f75aabe..ed962b6e 100644
--- a/docker/conf/spark-defaults.conf
+++ b/docker/conf/spark-defaults.conf
@@ -50,6 +50,7 @@ spark.sql.catalog.clickhouse_s1r1.http_port=8123
 spark.sql.catalog.clickhouse_s1r1.user=default
 spark.sql.catalog.clickhouse_s1r1.password=
 spark.sql.catalog.clickhouse_s1r1.database=default
+spark.sql.catalog.clickhouse_s1r1.option.custom_http_params=async_insert=1,wait_for_async_insert=1
 
 spark.sql.catalog.clickhouse_s1r2=xenon.clickhouse.ClickHouseCatalog
 spark.sql.catalog.clickhouse_s1r2.host=clickhouse-s1r2
@@ -58,6 +59,7 @@ spark.sql.catalog.clickhouse_s1r2.http_port=8123
 spark.sql.catalog.clickhouse_s1r2.user=default
 spark.sql.catalog.clickhouse_s1r2.password=
 spark.sql.catalog.clickhouse_s1r2.database=default
+spark.sql.catalog.clickhouse_s1r2.option.custom_http_params=async_insert=1,wait_for_async_insert=1
 
 spark.sql.catalog.clickhouse_s2r1=xenon.clickhouse.ClickHouseCatalog
 spark.sql.catalog.clickhouse_s2r1.host=clickhouse-s2r1
@@ -66,6 +68,7 @@ spark.sql.catalog.clickhouse_s2r1.http_port=8123
 spark.sql.catalog.clickhouse_s2r1.user=default
 spark.sql.catalog.clickhouse_s2r1.password=
 spark.sql.catalog.clickhouse_s2r1.database=default
+spark.sql.catalog.clickhouse_s2r1.option.custom_http_params=async_insert=1,wait_for_async_insert=1
 
 spark.sql.catalog.clickhouse_s2r2=xenon.clickhouse.ClickHouseCatalog
 spark.sql.catalog.clickhouse_s2r2.host=clickhouse-s2r2
@@ -74,6 +77,7 @@ spark.sql.catalog.clickhouse_s2r2.http_port=8123
 spark.sql.catalog.clickhouse_s2r2.user=default
 spark.sql.catalog.clickhouse_s2r2.password=
 spark.sql.catalog.clickhouse_s2r2.database=default
+spark.sql.catalog.clickhouse_s2r2.option.custom_http_params=async_insert=1,wait_for_async_insert=1
 
 spark.clickhouse.write.batchSize=50000
 spark.clickhouse.write.maxRetry=2