diff --git a/changelog.d/8804.feature b/changelog.d/8804.feature
new file mode 100644
index 000000000000..a907c8106c2c
--- /dev/null
+++ b/changelog.d/8804.feature
@@ -0,0 +1 @@
+Allow Date header through CORS. Contributed by Nicolas Chamo.
diff --git a/synapse/http/server.py b/synapse/http/server.py
index c0919f8cb7cb..4b0195faf33d 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -685,7 +685,7 @@ 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",
     )