1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 46cdfad04a..6a4e429a6c 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -674,7 +674,7 @@ def set_cors_headers(request: Request):
     )
     request.setHeader(
         b"Access-Control-Allow-Headers",
-        b"Origin, X-Requested-With, Content-Type, Accept, Authorization",
+        b"Origin, X-Requested-With, Content-Type, Accept, Authorization, Date",
     )