diff --git a/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala b/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
index 7c1cc6875a4..ec397af5181 100644
--- a/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
+++ b/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
@@ -6795,7 +6795,7 @@ object CelebornConf extends Logging {
   val CLIENT_SHUFFLE_DATA_LOST_ON_UNKNOWN_WORKER_ENABLED: ConfigEntry[Boolean] =
     buildConf("celeborn.client.shuffleDataLostOnUnknownWorker.enabled")
       .categories("client")
-      .version("0.7.0")
+      .version("0.6.3")
       .doc("Whether to mark shuffle data lost when unknown worker is detected.")
       .booleanConf
       .createWithDefault(false)
diff --git a/docs/configuration/client.md b/docs/configuration/client.md
index fb56d8d7252..fcd28ec2c9c 100644
--- a/docs/configuration/client.md
+++ b/docs/configuration/client.md
@@ -121,7 +121,7 @@ license: |
 | celeborn.client.shuffle.rangeReadFilter.enabled | false | false | If a spark application have skewed partition, this value can set to true to improve performance. | 0.2.0 | celeborn.shuffle.rangeReadFilter.enabled | 
 | celeborn.client.shuffle.register.filterExcludedWorker.enabled | false | false | Whether to filter excluded worker when register shuffle. | 0.4.0 |  | 
 | celeborn.client.shuffle.reviseLostShuffles.enabled | false | false | Whether to revise lost shuffles. | 0.6.0 |  | 
-| celeborn.client.shuffleDataLostOnUnknownWorker.enabled | false | false | Whether to mark shuffle data lost when unknown worker is detected. | 0.7.0 |  | 
+| celeborn.client.shuffleDataLostOnUnknownWorker.enabled | false | false | Whether to mark shuffle data lost when unknown worker is detected. | 0.6.3 |  | 
 | celeborn.client.slot.assign.maxWorkers | 10000 | false | Max workers that slots of one shuffle can be allocated on. Will choose the smaller positive one from Master side and Client side, see `celeborn.master.slot.assign.maxWorkers`. | 0.3.1 |  | 
 | celeborn.client.spark.fetch.cleanFailedShuffle | false | false | whether to clean those disk space occupied by shuffles which cannot be fetched | 0.6.0 |  | 
 | celeborn.client.spark.fetch.cleanFailedShuffleInterval | 1s | false | the interval to clean the failed-to-fetch shuffle files, only valid when celeborn.client.spark.fetch.cleanFailedShuffle is enabled | 0.6.0 |  |