diff --git a/ydb/tests/olap/load/test_tpcds.py b/ydb/tests/olap/load/test_tpcds.py
index 1a4cbe90ac63..5dca5a0d5161 100644
--- a/ydb/tests/olap/load/test_tpcds.py
+++ b/ydb/tests/olap/load/test_tpcds.py
@@ -29,4 +29,8 @@ class TestTpcds10(TpcdsSuiteBase):
 
 class TestTpcds100(TpcdsSuiteBase):
     size: int = 100
-    timeout = max(TpcdsSuiteBase.timeout, 900.)
+    timeout = max(TpcdsSuiteBase.timeout, 3600.)
+
+class TestTpcds1000(TpcdsSuiteBase):
+    size: int = 100
+    timeout = max(TpcdsSuiteBase.timeout, 3*3600.)