diff --git a/.travis.yml b/.travis.yml
index b0669fd..8e839e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ matrix:
     - python: 2.7
     - python: 3.4
     - python: 3.5
+    - python: 3.6
     - python: "nightly"
       env: PRE=--pre
   allow_failures:
diff --git a/appveyor.yml b/appveyor.yml
index 38e946f..c514f2e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,41 +2,17 @@
 # Windows
 
 environment:
-  global:
-    # SDK v7.0 MSVC Express 2008's SetEnv.cmd script will fail if the
-    # /E:ON and /V:ON options are not enabled in the batch script intepreter
-    # See: https://stackoverflow.com/a/13751649/163740
-    CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\ci\\appveyor\\run_with_env.cmd"
-
   matrix:
-     - PYTHON: "C:\\Python27_32"
-       PYTHON_VERSION: "2.7"
-       PYTHON_ARCH: "32"
-
-     - PYTHON: "C:\\Python27_64"
-       PYTHON_VERSION: "2.7"
-       PYTHON_ARCH: "64"
-
-     - PYTHON: "C:\\Python34_32"
-       PYTHON_VERSION: "3.4.3"
-       PYTHON_ARCH: "32"
-
-     - PYTHON: "C:\\Python34_64"
-       PYTHON_VERSION: "3.4.3"
-       PYTHON_ARCH: "64"
-
+     - PYTHON: "C:\\Python27"
+     - PYTHON: "C:\\Python27-x64"
+     - PYTHON: "C:\\Python34"
+     - PYTHON: "C:\\Python34-x64"
      - PYTHON: "C:\\Python35"
-       PYTHON_VERSION: "3.5.0"
-       PYTHON_ARCH: "32"
-
      - PYTHON: "C:\\Python35-x64"
-       PYTHON_VERSION: "3.5.0"
-       PYTHON_ARCH: "64"
+     - PYTHON: "C:\\Python36"
+     - PYTHON: "C:\\Python36-x64"
 
 install:
-  # Install Python (from the official .msi of https://python.org) and pip when
-  # not already installed.
-  - "powershell ./ci/appveyor/install.ps1"
   - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
 
   # Check that we have the expected version and architecture for Python
@@ -44,7 +20,7 @@ install:
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
 
   # Install the build and runtime dependencies of the project.
-  - "%CMD_IN_ENV% pip install -v six nose pytest pytest-cov coverage"
+  - "pip install -v six nose pytest pytest-cov coverage"
 
   # Install the generated wheel package to test it
   - "python setup.py install"
diff --git a/ci/appveyor/install.ps1 b/ci/appveyor/install.ps1
deleted file mode 100644
index e79a4f7..0000000
--- a/ci/appveyor/install.ps1
+++ /dev/null
@@ -1,180 +0,0 @@
-# Sample script to install Python and pip under Windows
-# Authors: Olivier Grisel, Jonathan Helmus and Kyle Kastner
-# License: CC0 1.0 Universal: https://creativecommons.org/publicdomain/zero/1.0/
-
-$MINICONDA_URL = "https://repo.continuum.io/miniconda/"
-$BASE_URL = "https://www.python.org/ftp/python/"
-$GET_PIP_URL = "https://bootstrap.pypa.io/get-pip.py"
-$GET_PIP_PATH = "C:\get-pip.py"
-
-
-function DownloadPython ($python_version, $platform_suffix) {
-    $webclient = New-Object System.Net.WebClient
-    $filename = "python-" + $python_version + $platform_suffix + ".msi"
-    $url = $BASE_URL + $python_version + "/" + $filename
-
-    $basedir = $pwd.Path + "\"
-    $filepath = $basedir + $filename
-    if (Test-Path $filename) {
-        Write-Host "Reusing" $filepath
-        return $filepath
-    }
-
-    # Download and retry up to 3 times in case of network transient errors.
-    Write-Host "Downloading" $filename "from" $url
-    $retry_attempts = 2
-    for($i=0; $i -lt $retry_attempts; $i++){
-        try {
-            $webclient.DownloadFile($url, $filepath)
-            break
-        }
-        Catch [Exception]{
-            Start-Sleep 1
-        }
-   }
-   if (Test-Path $filepath) {
-       Write-Host "File saved at" $filepath
-   } else {
-       # Retry once to get the error message if any at the last try
-       $webclient.DownloadFile($url, $filepath)
-   }
-   return $filepath
-}
-
-
-function InstallPython ($python_version, $architecture, $python_home) {
-    Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
-    if (Test-Path $python_home) {
-        Write-Host $python_home "already exists, skipping."
-        return $false
-    }
-    if ($architecture -eq "32") {
-        $platform_suffix = ""
-    } else {
-        $platform_suffix = ".amd64"
-    }
-    $msipath = DownloadPython $python_version $platform_suffix
-    Write-Host "Installing" $msipath "to" $python_home
-    $install_log = $python_home + ".log"
-    $install_args = "/qn /log $install_log /i $msipath TARGETDIR=$python_home"
-    $uninstall_args = "/qn /x $msipath"
-    RunCommand "msiexec.exe" $install_args
-    if (-not(Test-Path $python_home)) {
-        Write-Host "Python seems to be installed else-where, reinstalling."
-        RunCommand "msiexec.exe" $uninstall_args
-        RunCommand "msiexec.exe" $install_args
-    }
-    if (Test-Path $python_home) {
-        Write-Host "Python $python_version ($architecture) installation complete"
-    } else {
-        Write-Host "Failed to install Python in $python_home"
-        Get-Content -Path $install_log
-        Exit 1
-    }
-}
-
-function RunCommand ($command, $command_args) {
-    Write-Host $command $command_args
-    Start-Process -FilePath $command -ArgumentList $command_args -Wait -Passthru
-}
-
-
-function InstallPip ($python_home) {
-    $pip_path = $python_home + "\Scripts\pip.exe"
-    $python_path = $python_home + "\python.exe"
-    if (-not(Test-Path $pip_path)) {
-        Write-Host "Installing pip..."
-        $webclient = New-Object System.Net.WebClient
-        $webclient.DownloadFile($GET_PIP_URL, $GET_PIP_PATH)
-        Write-Host "Executing:" $python_path $GET_PIP_PATH
-        Start-Process -FilePath "$python_path" -ArgumentList "$GET_PIP_PATH" -Wait -Passthru
-    } else {
-        Write-Host "pip already installed."
-    }
-}
-
-
-function DownloadMiniconda ($python_version, $platform_suffix) {
-    $webclient = New-Object System.Net.WebClient
-    if ($python_version -eq "3.4") {
-        $filename = "Miniconda3-3.5.5-Windows-" + $platform_suffix + ".exe"
-    } else {
-        $filename = "Miniconda-3.5.5-Windows-" + $platform_suffix + ".exe"
-    }
-    $url = $MINICONDA_URL + $filename
-
-    $basedir = $pwd.Path + "\"
-    $filepath = $basedir + $filename
-    if (Test-Path $filename) {
-        Write-Host "Reusing" $filepath
-        return $filepath
-    }
-
-    # Download and retry up to 3 times in case of network transient errors.
-    Write-Host "Downloading" $filename "from" $url
-    $retry_attempts = 2
-    for($i=0; $i -lt $retry_attempts; $i++){
-        try {
-            $webclient.DownloadFile($url, $filepath)
-            break
-        }
-        Catch [Exception]{
-            Start-Sleep 1
-        }
-   }
-   if (Test-Path $filepath) {
-       Write-Host "File saved at" $filepath
-   } else {
-       # Retry once to get the error message if any at the last try
-       $webclient.DownloadFile($url, $filepath)
-   }
-   return $filepath
-}
-
-
-function InstallMiniconda ($python_version, $architecture, $python_home) {
-    Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
-    if (Test-Path $python_home) {
-        Write-Host $python_home "already exists, skipping."
-        return $false
-    }
-    if ($architecture -eq "32") {
-        $platform_suffix = "x86"
-    } else {
-        $platform_suffix = "x86_64"
-    }
-    $filepath = DownloadMiniconda $python_version $platform_suffix
-    Write-Host "Installing" $filepath "to" $python_home
-    $install_log = $python_home + ".log"
-    $args = "/S /D=$python_home"
-    Write-Host $filepath $args
-    Start-Process -FilePath $filepath -ArgumentList $args -Wait -Passthru
-    if (Test-Path $python_home) {
-        Write-Host "Python $python_version ($architecture) installation complete"
-    } else {
-        Write-Host "Failed to install Python in $python_home"
-        Get-Content -Path $install_log
-        Exit 1
-    }
-}
-
-
-function InstallMinicondaPip ($python_home) {
-    $pip_path = $python_home + "\Scripts\pip.exe"
-    $conda_path = $python_home + "\Scripts\conda.exe"
-    if (-not(Test-Path $pip_path)) {
-        Write-Host "Installing pip..."
-        $args = "install --yes pip"
-        Write-Host $conda_path $args
-        Start-Process -FilePath "$conda_path" -ArgumentList $args -Wait -Passthru
-    } else {
-        Write-Host "pip already installed."
-    }
-}
-
-function main () {
-    InstallPython $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON
-    InstallPip $env:PYTHON
-}
-
-main
diff --git a/ci/appveyor/run_with_env.cmd b/ci/appveyor/run_with_env.cmd
deleted file mode 100644
index 72cc636..0000000
--- a/ci/appveyor/run_with_env.cmd
+++ /dev/null
@@ -1,47 +0,0 @@
-:: To build extensions for 64 bit Python 3, we need to configure environment
-:: variables to use the MSVC 2010 C++ compilers from GRMSDKX_EN_DVD.iso of:
-:: MS Windows SDK for Windows 7 and .NET Framework 4 (SDK v7.1)
-::
-:: To build extensions for 64 bit Python 2, we need to configure environment
-:: variables to use the MSVC 2008 C++ compilers from GRMSDKX_EN_DVD.iso of:
-:: MS Windows SDK for Windows 7 and .NET Framework 3.5 (SDK v7.0)
-::
-:: 32 bit builds do not require specific environment configurations.
-::
-:: Note: this script needs to be run with the /E:ON and /V:ON flags for the
-:: cmd interpreter, at least for (SDK v7.0)
-::
-:: More details at:
-:: https://github.com/cython/cython/wiki/64BitCythonExtensionsOnWindows
-:: https://stackoverflow.com/a/13751649/163740
-::
-:: Author: Olivier Grisel
-:: License: BSD 3 clause
-@ECHO OFF
-
-SET COMMAND_TO_RUN=%*
-SET WIN_SDK_ROOT=C:\Program Files\Microsoft SDKs\Windows
-
-SET MAJOR_PYTHON_VERSION="%PYTHON_VERSION:~0,1%"
-IF %MAJOR_PYTHON_VERSION% == "2" (
-    SET WINDOWS_SDK_VERSION="v7.0"
-) ELSE IF %MAJOR_PYTHON_VERSION% == "3" (
-    SET WINDOWS_SDK_VERSION="v7.1"
-) ELSE (
-    ECHO Unsupported Python version: "%MAJOR_PYTHON_VERSION%"
-    EXIT 1
-)
-
-IF "%PYTHON_ARCH%"=="64" (
-    ECHO Configuring Windows SDK %WINDOWS_SDK_VERSION% for Python %MAJOR_PYTHON_VERSION% on a 64 bit architecture
-    SET DISTUTILS_USE_SDK=1
-    SET MSSdk=1
-    "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Setup\WindowsSdkVer.exe" -q -version:%WINDOWS_SDK_VERSION%
-    "%WIN_SDK_ROOT%\%WINDOWS_SDK_VERSION%\Bin\SetEnv.cmd" /x64 /release
-    ECHO Executing: %COMMAND_TO_RUN%
-    call %COMMAND_TO_RUN% || EXIT 1
-) ELSE (
-    ECHO Using default MSVC build environment for 32 bit architecture
-    ECHO Executing: %COMMAND_TO_RUN%
-    call %COMMAND_TO_RUN% || EXIT 1
-)
diff --git a/setup.py b/setup.py
index 3804e0d..7f11538 100644
--- a/setup.py
+++ b/setup.py
@@ -10,13 +10,14 @@
       platforms='Cross platform (Linux, Mac OSX, Windows)',
       install_requires=['six'],
       license="BSD",
+      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
       classifiers=['Development Status :: 4 - Beta',
                    'Programming Language :: Python :: 2',
                    'Programming Language :: Python :: 2.7',
                    'Programming Language :: Python :: 3',
-                   'Programming Language :: Python :: 3.3',
                    'Programming Language :: Python :: 3.4',
                    'Programming Language :: Python :: 3.5',
+                   'Programming Language :: Python :: 3.6',
                    ],
       keywords='cycle kwargs',
       )