diff --git a/composer.json b/composer.json
index 1791d03..dd09938 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "clue/json-stream": "^0.1",
         "react/event-loop": "^1.2",
         "react/http": "^1.8",
-        "react/promise": "^3 || ^2.0 || ^1.1",
+        "react/promise": "^3.1 || ^2.11 || ^1.3",
         "react/promise-stream": "^1.6",
         "react/socket": "^1.12",
         "react/stream": "^1.2",
diff --git a/tests/Io/StreamingParserTest.php b/tests/Io/StreamingParserTest.php
index 7ab1784..1906e19 100644
--- a/tests/Io/StreamingParserTest.php
+++ b/tests/Io/StreamingParserTest.php
@@ -5,7 +5,6 @@
 use Clue\React\Docker\Io\StreamingParser;
 use Clue\Tests\React\Docker\TestCase;
 use React\Promise;
-use React\Promise\CancellablePromiseInterface;
 use React\Promise\Deferred;
 use React\Stream\ThroughStream;
 
@@ -119,11 +118,10 @@ public function testDeferredCancelingPromiseWillCloseStream()
         $stream->expects($this->once())->method('isReadable')->willReturn(true);
 
         $promise = $this->parser->deferredStream($stream);
-        if (!($promise instanceof CancellablePromiseInterface)) {
-            $this->markTestSkipped('Requires Promise v2 API and has no effect on v1 API');
-        }
 
         $stream->expects($this->once())->method('close');
+
+        assert(method_exists($promise, 'cancel'));
         $promise->cancel();
     }