diff --git a/tests/test_sync_app.py b/tests/test_sync_app.py
index 1e65e38..19e094c 100644
--- a/tests/test_sync_app.py
+++ b/tests/test_sync_app.py
@@ -38,6 +38,7 @@ class SyncCollectionHandlerTest(CollectionTestBase):
             ','.join(('ankidesktop', '2.0.27', 'lin::')),
             ','.join(('ankidesktop', '2.0.32', 'lin::')),
             ','.join(('ankidesktop', '2.1.0', 'lin::')),
+            ','.join(('ankidesktop', '2.1.6-beta2', 'lin::')),
             ','.join(('ankidroid', '2.2.3', '')),
             ','.join(('ankidroid', '2.3alpha4', '')),
             ','.join(('ankidroid', '2.3alpha5', '')),