diff --git a/src/main/java/it/pcan/test/feign/client/InMemoryMultipartFile.java b/src/main/java/it/pcan/test/feign/client/InMemoryMultipartFile.java
index 5431c39..25cab31 100644
--- a/src/main/java/it/pcan/test/feign/client/InMemoryMultipartFile.java
+++ b/src/main/java/it/pcan/test/feign/client/InMemoryMultipartFile.java
@@ -72,7 +72,9 @@ public InputStream getInputStream() throws IOException {
 
     @Override
     public void transferTo(File dest) throws IOException, IllegalStateException {
-        new FileOutputStream(dest).write(payload);
+        try (FileOutputStream stream = new FileOutputStream(dest)) {
+            stream.write(payload);
+        }
     }
 
 }