diff --git a/appveyor.yml b/appveyor.yml
index 05f99ee..4337ca7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ environment:
   matrix:
     - PYTHON: "C:/Python27"
 install:
-  - ps: (new-object net.webclient).DownloadFile('https://bootstrap.pypa.io/get-pip.py', 'C:/get-pip.py')
+  - ps: [Net.ServicePointManager]::SecurityProtocol = 'Ssl3, Tls, Tls11, Tls12' Start-FileDownload 'https://bootstrap.pypa.io/get-pip.py'
   - "%PYTHON%/python.exe C:/get-pip.py"
   - "%PYTHON%/Scripts/pip.exe --version"
   - "%PYTHON%/Scripts/pip.exe install tox"