diff --git a/tests/queries/0_stateless/01079_parallel_alter_add_drop_column_zookeeper.sh b/tests/queries/0_stateless/01079_parallel_alter_add_drop_column_zookeeper.sh
index 37ed463f59b..dbd53d6d0b7 100755
--- a/tests/queries/0_stateless/01079_parallel_alter_add_drop_column_zookeeper.sh
+++ b/tests/queries/0_stateless/01079_parallel_alter_add_drop_column_zookeeper.sh
@@ -97,7 +97,7 @@ done
 echo "Equal number of columns"
 
 # This alter will finish all previous, but replica 1 maybe still not up-to-date
-while [[ $(timeout 30 $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_add_drop_1 MODIFY COLUMN value0 String SETTINGS replication_alter_partitions_sync=2" 2>&1) ]]; do
+while [[ $(timeout 120 $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_add_drop_1 MODIFY COLUMN value0 String SETTINGS replication_alter_partitions_sync=2" 2>&1) ]]; do
     sleep 1
 done
 
diff --git a/tests/queries/0_stateless/01079_parallel_alter_detach_table_zookeeper.sh b/tests/queries/0_stateless/01079_parallel_alter_detach_table_zookeeper.sh
index 114008ded26..90172d38cfb 100755
--- a/tests/queries/0_stateless/01079_parallel_alter_detach_table_zookeeper.sh
+++ b/tests/queries/0_stateless/01079_parallel_alter_detach_table_zookeeper.sh
@@ -96,8 +96,12 @@ done
 
 
 # This alter will finish all previous, but replica 1 maybe still not up-to-date
-while [[ $(timeout 30 $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_detach_1 MODIFY COLUMN value1 String SETTINGS replication_alter_partitions_sync=2" 2>&1) ]]; do
+while [[ $(timeout 120 $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_detach_1 MODIFY COLUMN value1 String SETTINGS replication_alter_partitions_sync=2" 2>&1) ]]; do
     sleep 1
+    # just try to attach table if it failed for some reason in the code above
+    for i in `seq $REPLICAS`; do
+        $CLICKHOUSE_CLIENT --query "ATTACH TABLE concurrent_alter_detach_$i" 2> /dev/null
+    done
 done
 
 for i in `seq $REPLICAS`; do