diff --git a/.travis.yml b/.travis.yml
index 554ccb67..40c0735d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,10 @@ python:
   - "3.3"
   - "3.4"
   - "3.5"
+  - "3.6"
+  - "3.7-dev"
   - "pypy"
+  - "pypy3"
 
 install:
   - pip install -r requirements-dev.txt  -r requirements.txt
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8f098add..d4cb01e8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,4 @@
 flake8 >= 3.4.1
-doublex >= 1.8.4
 pexpect >= 4.2.1
 
 pytest >= 3.2.1
@@ -10,5 +9,3 @@ nosexcover >= 1.0.10
 python-coveralls >= 2.9.1
 
 wheel >= 0.24.0
-
-releaseme >= 0.2.8
diff --git a/requirements.txt b/requirements.txt
index b5e11d41..314463ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 blessings >= 1.6
-readchar == 0.7
+readchar == 2.0.0
diff --git a/setup.py b/setup.py
index d3dd3285..9fa24e72 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 
 def read_description():
-    with open('README.rst') as fd:
+    with open('README.rst', encoding='utf8') as fd:
         return fd.read()
 
 
diff --git a/tests/unit/test_render.py b/tests/unit/test_render.py
deleted file mode 100644
index adf6f184..00000000
--- a/tests/unit/test_render.py
+++ /dev/null
@@ -1,15 +0,0 @@
-import unittest
-import doublex
-
-from inquirer.render import Render
-
-
-class RenderTests(unittest.TestCase):
-    def test_calls_the_implementation(self):
-        question = object()
-        answers = object()
-        with doublex.Mock() as render_impl:
-            render_impl.render(question, answers)
-        sut = Render(render_impl)
-
-        sut.render(question, answers)