diff --git a/.travis.yml b/.travis.yml
index 6a9d48d..ae4ed7a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,6 @@ script: mix test --no-start
 install: mix deps.get
 before_install:
   - mkdir -p vendor/elixir
-  - wget -q https://github.com/elixir-lang/elixir/releases/download/v0.12.1/v0.12.1.zip && unzip -qq v0.12.1.zip -d vendor/elixir
+  - wget -q https://github.com/elixir-lang/elixir/releases/download/v0.12.3/v0.12.3.zip && unzip -qq v0.12.3.zip -d vendor/elixir
   - export PATH="$PATH:$PWD/vendor/elixir/bin"
   - export MIX_ENV=test
diff --git a/mix.exs b/mix.exs
index 74e9d6d..524216a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Httparrot.Mixfile do
     [ app: :httparrot,
       version: "0.0.2",
       name: "HTTParrot",
-      elixir: "~> 0.11.2 or ~> 0.12.0",
+      elixir: "~> 0.12.3",
       deps: deps(Mix.env) ]
   end
 
diff --git a/test/stream_handler_test.exs b/test/stream_handler_test.exs
index 684173b..de0e200 100644
--- a/test/stream_handler_test.exs
+++ b/test/stream_handler_test.exs
@@ -55,7 +55,7 @@ defmodule HTTParrot.StreamHandlerTest do
     assert {{:chunked, func}, :req2, nil} = get_json(:req1, 2)
     assert is_function(func)
 
-    send_func = fn(body) -> self <- {:chunk, body} end
+    send_func = fn(body) -> send(self, {:chunk, body}) end
     func.(send_func)
 
     assert_receive {:chunk, :json1}