diff --git a/src/main/scala/com/johnsnowlabs/nlp/pretrained/S3ResourceDownloader.scala b/src/main/scala/com/johnsnowlabs/nlp/pretrained/S3ResourceDownloader.scala
index 7e55fa9a699948..ef338e1811f317 100644
--- a/src/main/scala/com/johnsnowlabs/nlp/pretrained/S3ResourceDownloader.scala
+++ b/src/main/scala/com/johnsnowlabs/nlp/pretrained/S3ResourceDownloader.scala
@@ -53,9 +53,11 @@ class S3ResourceDownloader(
     val needToRefresh =
       lastMetadataState.isEmpty || lastMetadataState.get.lastModified.before(lastModifiedTimeInS3)
     if (!needToRefresh) {
+      metadataObject.close()
       lastMetadataState.get.metadata
     } else {
       val metadata = ResourceMetadata.readResources(metadataObject.getObjectContent)
+      metadataObject.close()
       repoFolder2Metadata(folder) = RepositoryMetadata(
         folder,
         lastModifiedTimeInS3,