diff --git a/.travis.yml b/.travis.yml
index fa42b95..ed53358 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,12 @@ cache: pip
 
 python:
     - "2.7"
-    - "3.3"
     - "3.4"
     - "3.5"
     - "3.5-dev"
+    - "3.6"
+    - "3.6-dev"
+    - "3.7-dev"
     - "nightly"
 
 install: