diff --git a/CHANGELOG.md b/CHANGELOG.md
index bca25b6..c03eecf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.4.0 (2017-2-15)
+* Enhancements
+  * update `httpoison` to 0.11.0 and `poison` to 3.0
+  * clean up compiler warnings when using Elixir 1.3
+
 ## 1.3.0 (2016-11-5)
 * Enhancements
   * add `add_custom_arg` for custom arguments
diff --git a/mix.exs b/mix.exs
index 463e6fd..78d596b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,7 +3,7 @@ defmodule SendGrid.Mixfile do
 
   def project do
     [app: :sendgrid,
-     version: "1.3.0",
+     version: "1.4.0",
      elixir: "~> 1.2",
      package: package(),
      description: description(),