diff --git a/mdns/BUILD.gn b/mdns/BUILD.gn
new file mode 100644
index 0000000..35ff521
--- /dev/null
+++ b/mdns/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright 2018 The Fuchsia Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import ("//build/go/go_library.gni")
+
+go_library("mdns_lib") {
+  name = "mdns_lib"
+
+  deps = [
+    "//garnet/public/go/third_party:golang.org/x/net",
+  ]
+}