diff --git a/x-pack/plugin/ml-package-loader/src/main/java/org/elasticsearch/xpack/ml/packageloader/action/ModelLoaderUtils.java b/x-pack/plugin/ml-package-loader/src/main/java/org/elasticsearch/xpack/ml/packageloader/action/ModelLoaderUtils.java
index 345b7a24af0b8..43ab090e94381 100644
--- a/x-pack/plugin/ml-package-loader/src/main/java/org/elasticsearch/xpack/ml/packageloader/action/ModelLoaderUtils.java
+++ b/x-pack/plugin/ml-package-loader/src/main/java/org/elasticsearch/xpack/ml/packageloader/action/ModelLoaderUtils.java
@@ -118,8 +118,7 @@ static InputStream getInputStreamFromModelRepository(URI uri) throws IOException
 
     static VocabularyParts loadVocabulary(URI uri) {
         if (uri.getPath().endsWith(".json")) {
-            try {
-                InputStream vocabInputStream = getInputStreamFromModelRepository(uri);
+            try (InputStream vocabInputStream = getInputStreamFromModelRepository(uri)) {
                 return parseVocabParts(vocabInputStream);
             } catch (Exception e) {
                 throw new ElasticsearchException("Failed to load vocabulary file", e);