diff --git a/mix.exs b/mix.exs
index f8512e1..f7fdd88 100644
--- a/mix.exs
+++ b/mix.exs
@@ -31,7 +31,7 @@ defmodule Eblog.Mixfile do
   # Type `mix help deps` for examples and options.
   defp deps do
     [{:phoenix, "~> 1.3.4"},
-     {:phoenix_pubsub, "~> 1.0"},
+     {:phoenix_pubsub, "== 2.0.0"},
      {:phoenix_ecto, "~> 3.0"},
      {:postgrex, ">= 0.0.0"},
      {:phoenix_html, "~> 2.6"},