diff --git a/.travis.yml b/.travis.yml
index 745e98d..b9f30b8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,16 +13,6 @@ script:
     fi
 matrix:
   include:
-    - elixir: 1.5
-      otp_release: 19.3
-    - elixir: 1.5
-      otp_release: 20.3
-    - elixir: 1.6
-      otp_release: 19.3
-    - elixir: 1.6
-      otp_release: 20.3
-    - elixir: 1.6
-      otp_release: 21.0
     - elixir: 1.7
       otp_release: 19.3
     - elixir: 1.7
diff --git a/mix.exs b/mix.exs
index 89417a6..95ed4ec 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,8 +8,8 @@ defmodule HTTPoison.Mixfile do
   def project do
     [
       app: :httpoison,
-      version: "1.5.1",
-      elixir: "~> 1.5",
+      version: "1.6.0",
+      elixir: "~> 1.7",
       name: "HTTPoison",
       description: @description,
       package: package(),