diff --git a/internal/xds/extensions/udpa.go b/internal/xds/extensions/udpa.go
new file mode 100644
index 0000000000..c36a08f198
--- /dev/null
+++ b/internal/xds/extensions/udpa.go
@@ -0,0 +1,10 @@
+// Copyright Envoy Gateway Authors
+// SPDX-License-Identifier: Apache-2.0
+// The full text of the Apache license is available in the LICENSE file at
+// the root of the repo.
+
+package extensions
+
+import udpa "github.com/cncf/xds/go/udpa/type/v1"
+
+var _ = udpa.TypedStruct{}