diff --git a/tests/Composer/Test/Repository/Vcs/GitBitbucketDriverTest.php b/tests/Composer/Test/Repository/Vcs/GitBitbucketDriverTest.php
index afc7354eb..86e362c6f 100644
--- a/tests/Composer/Test/Repository/Vcs/GitBitbucketDriverTest.php
+++ b/tests/Composer/Test/Repository/Vcs/GitBitbucketDriverTest.php
@@ -183,7 +183,7 @@ class GitBitbucketDriverTest extends TestCase
                 'require-dev' => array(
                     'phpunit/phpunit' => '~4.8',
                 ),
-                'time' => '2016-05-17 13:19:52',
+                'time' => '2016-05-17T13:19:52+00:00',
                 'support' => array(
                     'source' => 'https://bitbucket.org/user/repo/src/937992d19d72b5116c3e8c4a04f960e5fa270b22/?at=master',
                 ),