diff --git a/.travis.yml b/.travis.yml
index 60610f0..97067c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
 language: python
-python:
-  - "2.7"
-  - "3.3"
-  - "3.4"
-  - "3.5"
+addons:
+  apt:
+    sources:
+      - deadsnakes
+    packages:
+      - python3.5
 install: pip install tox --use-mirrors
 env:
   matrix: