diff --git a/composer.json b/composer.json
index 5512669..4c90f45 100644
--- a/composer.json
+++ b/composer.json
@@ -34,5 +34,8 @@
     "psr-0": {
       "": "tests"
     }
+  },
+  "config": {
+    "allow-plugins": true
   }
 }
diff --git a/tests/RequestHandlerTest.php b/tests/RequestHandlerTest.php
index 5c8b0ed..6ff6674 100644
--- a/tests/RequestHandlerTest.php
+++ b/tests/RequestHandlerTest.php
@@ -23,7 +23,7 @@ public function testRequestThrowsErrorOnMalformedBaseUrl()
 
         $options = array('some kinda option');
 
-        $this->expectException(\GuzzleHttp\Exception\ConnectException::class);
+        $this->expectException(\GuzzleHttp\Exception\TransferException::class);
 
         $rh->request('GET', 'foo', $options);
     }