diff --git a/.travis.yml b/.travis.yml
index 3a85bbb..9015871 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 language: python
 python:
   - "2.7"
-  - "3.3"
   - "3.4"
+  - "3.5"
+  - "3.6"
+  - "3.7"
   - "pypy"
 script: sh test.sh