diff --git a/.travis.yml b/.travis.yml
index 63a2663..05b97fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,7 @@ os:
 language: python
 python:
     - 2.7
-    - 3.6
-    - 3.5
-    - 3.4
+    - 3.7
 
 install:
     - python setup.py install