diff --git a/spark/src/test/scala/org/apache/spark/sql/CometTPCDSQuerySuite.scala b/spark/src/test/scala/org/apache/spark/sql/CometTPCDSQuerySuite.scala
index bfc45aba2..e4e149579 100644
--- a/spark/src/test/scala/org/apache/spark/sql/CometTPCDSQuerySuite.scala
+++ b/spark/src/test/scala/org/apache/spark/sql/CometTPCDSQuerySuite.scala
@@ -189,11 +189,11 @@ class CometTPCDSQuerySuite
     conf.set(CometConf.COMET_EXEC_ENABLED.key, "true")
     conf.set(CometConf.COMET_EXEC_ALL_OPERATOR_ENABLED.key, "true")
     conf.set(CometConf.COMET_EXEC_SHUFFLE_ENABLED.key, "true")
-    conf.set(CometConf.COMET_MEMORY_OVERHEAD.key, "10g")
+    conf.set(CometConf.COMET_MEMORY_OVERHEAD.key, "20g")
     conf.set(CometConf.COMET_SHUFFLE_ENFORCE_MODE_ENABLED.key, "true")
     conf.set("spark.sql.adaptive.coalescePartitions.enabled", "true")
     conf.set(MEMORY_OFFHEAP_ENABLED.key, "true")
-    conf.set(MEMORY_OFFHEAP_SIZE.key, "10g")
+    conf.set(MEMORY_OFFHEAP_SIZE.key, "20g")
     conf
   }