diff --git a/changelog.d/20333.feature b/changelog.d/20333.feature
new file mode 100644
index 0000000000..aab5c8f812
--- /dev/null
+++ b/changelog.d/20333.feature
@@ -0,0 +1 @@
+Advertise support for Matrix v1.16.
diff --git a/rust/src/handlers/versions.rs b/rust/src/handlers/versions.rs
index e3419d5020..b16c70fb51 100644
--- a/rust/src/handlers/versions.rs
+++ b/rust/src/handlers/versions.rs
@@ -159,6 +159,7 @@ async fn build_versions_response(
             "v1.13".to_string(),
             "v1.14".to_string(),
             "v1.15".to_string(),
+            "v1.16".to_string(),
         ]),
         unstable_features: unstable_feature_map,
     })