1 files changed, 1 insertions, 1 deletions

diff --git a/mix.exs b/mix.exs
index 9a632ba..730cc0a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -15,6 +15,6 @@ defmodule ExPrometheusIo.Mixfile do
   end
 
   defp deps do
-    []
+    [{:poison, "~> 1.5"}]
   end
 end