diff --git a/mix.exs b/mix.exs
index 420607e8..b5536b38 100644
--- a/mix.exs
+++ b/mix.exs
@@ -54,7 +54,7 @@ defmodule Orbit.MixProject do
       {:dns_cluster, "0.2.0"},
       {:ehmon, github: "mbta/ehmon", only: :prod},
       {:ecto_sql, "3.14.0"},
-      {:ex_aws, "2.6.1"},
+      {:ex_aws, "== 2.7.0"},
       {:ex_aws_rds, "2.0.2"},
       {:ex_aws_s3, "2.5.9"},
       {:ex_machina, "2.8.0", only: :test},