diff --git a/weed/s3api/s3api_object_handlers_put.go b/weed/s3api/s3api_object_handlers_put.go
index c61b6f8a7..0bb9d2795 100644
--- a/weed/s3api/s3api_object_handlers_put.go
+++ b/weed/s3api/s3api_object_handlers_put.go
@@ -643,7 +643,7 @@ func (s3a *S3ApiServer) updateLatestVersionInDirectory(bucket, object, versionId
 	// Get the current .versions directory entry with retry logic for filer consistency
 	var versionsEntry *filer_pb.Entry
 	var err error
-	maxRetries := 3
+	maxRetries := 5
 	for attempt := 1; attempt <= maxRetries; attempt++ {
 		versionsEntry, err = s3a.getEntry(bucketDir, versionsObjectPath)
 		if err == nil {
@@ -653,8 +653,9 @@ func (s3a *S3ApiServer) updateLatestVersionInDirectory(bucket, object, versionId
 		glog.V(0).Infof("CI-DEBUG: updateLatestVersionInDirectory: attempt %d/%d failed to get .versions entry for %s/%s: %v", attempt, maxRetries, bucket, object, err)
 		
 		if attempt < maxRetries {
-			// Brief wait before retry to allow filer consistency
-			time.Sleep(time.Millisecond * 50)
+			// Exponential backoff: 50ms, 100ms, 200ms, 400ms
+			delay := time.Millisecond * time.Duration(50 * (1 << (attempt - 1)))
+			time.Sleep(delay)
 		}
 	}
 	
diff --git a/weed/s3api/s3api_object_versioning.go b/weed/s3api/s3api_object_versioning.go
index d3ced793a..df8ada047 100644
--- a/weed/s3api/s3api_object_versioning.go
+++ b/weed/s3api/s3api_object_versioning.go
@@ -785,7 +785,7 @@ func (s3a *S3ApiServer) getLatestObjectVersion(bucket, object string) (*filer_pb
 	// Get the .versions directory entry to read latest version metadata with retry logic for filer consistency
 	var versionsEntry *filer_pb.Entry
 	var err error
-	maxRetries := 3
+	maxRetries := 5
 	for attempt := 1; attempt <= maxRetries; attempt++ {
 		versionsEntry, err = s3a.getEntry(bucketDir, versionsObjectPath)
 		if err == nil {
@@ -795,8 +795,9 @@ func (s3a *S3ApiServer) getLatestObjectVersion(bucket, object string) (*filer_pb
 		glog.V(0).Infof("CI-DEBUG: getLatestObjectVersion: attempt %d/%d failed to get .versions directory for %s/%s: %v", attempt, maxRetries, bucket, object, err)
 		
 		if attempt < maxRetries {
-			// Brief wait before retry to allow filer consistency
-			time.Sleep(time.Millisecond * 50)
+			// Exponential backoff: 50ms, 100ms, 200ms, 400ms
+			delay := time.Millisecond * time.Duration(50 * (1 << (attempt - 1)))
+			time.Sleep(delay)
 		}
 	}