diff --git a/explorer/lib/explorer_web/router.ex b/explorer/lib/explorer_web/router.ex
index 02bcd3452..ca855d46c 100644
--- a/explorer/lib/explorer_web/router.ex
+++ b/explorer/lib/explorer_web/router.ex
@@ -29,6 +29,7 @@ defmodule ExplorerWeb.Router do
   end
 
   pipeline :api do
+    plug CORSPlug, origin: "*"
     plug :accepts, ["json"]
   end
 
diff --git a/explorer/mix.exs b/explorer/mix.exs
index 9e0a79854..9f6eb0ada 100644
--- a/explorer/mix.exs
+++ b/explorer/mix.exs
@@ -62,7 +62,8 @@ defmodule Explorer.MixProject do
       {:postgrex, ">= 0.0.0"},
       {:cachex, "~> 3.6"},
       {:mutex, "~> 2.0"},
-      {:tails, "~> 0.1.5"}
+      {:tails, "~> 0.1.5"},
+      {:cors_plug, "~> 3.0"},
     ]
   end