1 files changed, 2 insertions, 1 deletions

diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py

index b7e9c716c8..af18964510 100644
--- a/synapse/storage/background_updates.py
+++ b/synapse/storage/background_updates.py
@@ -18,7 +18,8 @@ from . import engines
 
 from twisted.internet import defer
 
-import simplejson as json
+from canonicaljson import json
+
 import logging
 
 logger = logging.getLogger(__name__)