1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index d4dd967c60..a00420a24b 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -15,7 +15,7 @@
 # limitations under the License.
 import logging
 
-import simplejson as json
+from canonicaljson import json
 from twisted.internet import defer
 
 from synapse.api.errors import AuthError, FederationError, SynapseError, NotFoundError