diff --git a/changelog.d/11097.feature b/changelog.d/11097.feature
new file mode 100644
index 000000000000..d7563a406c09
--- /dev/null
+++ b/changelog.d/11097.feature
@@ -0,0 +1 @@
+Advertise support for Client-Server API r0.6.1.
\ No newline at end of file
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index b52a296d8fb4..8d888f456520 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -72,6 +72,7 @@ def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
                     "r0.4.0",
                     "r0.5.0",
                     "r0.6.0",
+                    "r0.6.1",
                 ],
                 # as per MSC1497:
                 "unstable_features": {