diff --git a/changelog.d/20334.feature b/changelog.d/20334.feature
new file mode 100644
index 0000000000..e8483f344f
--- /dev/null
+++ b/changelog.d/20334.feature
@@ -0,0 +1 @@
+Advertise support for Matrix v1.17.
diff --git a/rust/src/handlers/versions.rs b/rust/src/handlers/versions.rs
index b16c70fb51..e3fb2fd4d9 100644
--- a/rust/src/handlers/versions.rs
+++ b/rust/src/handlers/versions.rs
@@ -160,6 +160,7 @@ async fn build_versions_response(
             "v1.14".to_string(),
             "v1.15".to_string(),
             "v1.16".to_string(),
+            "v1.17".to_string(),
         ]),
         unstable_features: unstable_feature_map,
     })