diff --git a/anki/consts.py b/anki/consts.py
index bf8feaf47..e07184caf 100644
--- a/anki/consts.py
+++ b/anki/consts.py
@@ -47,7 +47,7 @@ SCHEMA_VERSION = 11
 SYNC_ZIP_SIZE = int(2.5*1024*1024)
 SYNC_ZIP_COUNT = 100
 SYNC_URL = os.environ.get("SYNC_URL") or "https://ankiweb.net/sync/"
-SYNC_VER = 5
+SYNC_VER = 6
 
 HELP_SITE="http://ankisrs.net/docs/manual.html"