diff --git a/.travis.yml b/.travis.yml
index e495c63..7844413 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ notifications:
   recipients:
     - eduardo@gurgel.me
 elixir:
-  - 1.4.2
+  - 1.5.3
 otp_release:
   - 18.0
   - 18.1
diff --git a/mix.exs b/mix.exs
index e8e6c5c..1157044 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,7 +9,7 @@ defmodule Httparrot.Mixfile do
     [
       app: :httparrot,
       version: "1.2.0",
-      elixir: "~> 1.4",
+      elixir: "~> 1.5",
       name: "HTTParrot",
       description: @description,
       package: package(),