diff --git a/mix.exs b/mix.exs
index e82d4884..aed6e371 100644
--- a/mix.exs
+++ b/mix.exs
@@ -56,7 +56,7 @@ defmodule Orbit.MixProject do
       {:csv, "3.2.2"},
       {:dialyxir, "1.4.7", only: [:dev, :test], runtime: false},
       {:diskusage_logger, "0.2.0", only: :prod},
-      {:dns_cluster, "0.2.0"},
+      {:dns_cluster, "== 0.3.0"},
       {:ehmon, github: "mbta/ehmon", only: :prod},
       {:ecto_sql, "3.14.0"},
       {:ex_aws, "2.7.0"},