diff --git a/changelog.d/14032.feature b/changelog.d/14032.feature
index bb221d3ca605..016c7042278a 100644
--- a/changelog.d/14032.feature
+++ b/changelog.d/14032.feature
@@ -1 +1 @@
-Advertise Matrix 1.3 support on `/_matrix/client/versions`.
+Advertise support for Matrix 1.3 and 1.4 on `/_matrix/client/versions`.
diff --git a/changelog.d/14184.feature b/changelog.d/14184.feature
new file mode 100644
index 000000000000..016c7042278a
--- /dev/null
+++ b/changelog.d/14184.feature
@@ -0,0 +1 @@
+Advertise support for Matrix 1.3 and 1.4 on `/_matrix/client/versions`.
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index d1d2e5f7e3c4..4e1fd2bbe7ec 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -76,6 +76,7 @@ def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
                     "v1.1",
                     "v1.2",
                     "v1.3",
+                    "v1.4",
                 ],
                 # as per MSC1497:
                 "unstable_features": {