diff --git a/composer.json b/composer.json
index 992b9df..3da822d 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require": {
         "php": ">=5.3",
-        "react/stream": "^0.4 || ^0.3"
+        "react/stream": "^0.6 || ^0.5 || ^0.4 || ^0.3"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0 || ^4.8",
diff --git a/tests/FunctionalControlCodeParserTest.php b/tests/FunctionalControlCodeParserTest.php
index 83ed67c..1c52217 100644
--- a/tests/FunctionalControlCodeParserTest.php
+++ b/tests/FunctionalControlCodeParserTest.php
@@ -10,7 +10,7 @@ public function testPipingReadme()
     {
         $loop = Factory::create();
 
-        $input = new Stream(fopen(__DIR__ . '/../README.md', 'r'), $loop);
+        $input = new Stream(fopen(__DIR__ . '/../README.md', 'r+'), $loop);
         $parser = new ControlCodeParser($input);
 
         $buffer = '';