diff --git a/composer.json b/composer.json
index 0a24362..d980be3 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
   "name": "codeinc/psr7-responses",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "description": "A collection of PSR-7 responses",
   "homepage": "https://github.com/CodeIncHQ/Psr7Responses",
   "type": "library",
diff --git a/src/StreamResponse.php b/src/StreamResponse.php
index 614ec4c..cf929c0 100644
--- a/src/StreamResponse.php
+++ b/src/StreamResponse.php
@@ -23,6 +23,7 @@
 namespace CodeInc\Psr7Responses;
 use GuzzleHttp\Psr7\Response;
 use function GuzzleHttp\Psr7\stream_for;
+use Psr\Http\Message\StreamInterface;
 
 
 /**
@@ -36,10 +37,15 @@
 class StreamResponse extends Response
 {
     /**
-     * @var \GuzzleHttp\Psr7\Stream
+     * @var StreamInterface
      */
     private $stream;
 
+    /**
+     * @var mixed
+     */
+    private $rawResource;
+
     /**
      * @var null|string
      */
@@ -77,6 +83,7 @@ public function __construct($resource, ?string $charset = null, ?int $contentLen
 		?string $fileName = null, bool $asAttachment = false, int $status = 200, array $headers = [],
 		string $version = '1.1', ?string $reason = null)
 	{
+	    $this->rawResource = $resource;
 		$this->stream = stream_for($resource);
         $this->charset = $charset;
         $this->contentLength = $contentLength;
@@ -99,15 +106,25 @@ public function __construct($resource, ?string $charset = null, ?int $contentLen
 	}
 
     /**
-     * Returns the stream.
+     * Returns the resource wrapped into a stream.
      *
-     * @return \GuzzleHttp\Psr7\Stream
+     * @return StreamInterface
      */
-    public function getStream():\GuzzleHttp\Psr7\Stream
+    public function getStream():StreamInterface
     {
         return $this->stream;
     }
 
+    /**
+     * Returns the raw resource as passed to the constructor.
+     *
+     * @return mixed
+     */
+    public function getRawResource()
+    {
+        return $this->rawResource;
+    }
+
     /**
      * Returns the mime type if set or null.
      *