diff --git a/src/Hackspace/Bundle/CalciferBundle/Tests/Controller/EventControllerTest.php b/src/Hackspace/Bundle/CalciferBundle/Tests/Controller/EventControllerTest.php
index 3274dce..9e03bc2 100644
--- a/src/Hackspace/Bundle/CalciferBundle/Tests/Controller/EventControllerTest.php
+++ b/src/Hackspace/Bundle/CalciferBundle/Tests/Controller/EventControllerTest.php
@@ -156,7 +156,7 @@ class EventControllerTest extends WebTestCase
         $test_doc = <<<EOF
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.1.0//EN
+PRODID:-//Sabre//Sabre VObject 4.1.1//EN
 CALSCALE:GREGORIAN
 BEGIN:VEVENT
 UID:https://localhost/termine/testevent