diff --git a/changelog.d/5360.feature b/changelog.d/5360.feature
new file mode 100644
index 0000000000..01fbb3b06d
--- /dev/null
+++ b/changelog.d/5360.feature
@@ -0,0 +1 @@
+Update /_matrix/client/versions to reference support for r0.5.0. 
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index 27e7cbf3cc..babbf6a23c 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -39,6 +39,7 @@ class VersionsRestServlet(RestServlet):
                 "r0.2.0",
                 "r0.3.0",
                 "r0.4.0",
+                "r0.5.0",
             ],
             # as per MSC1497:
             "unstable_features": {