diff --git a/.travis.yml b/.travis.yml
index 175fe9f5..a8df432e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,11 @@ python:
   - "2.7"
   - "3.3"
   - "3.4"
+  - "3.5"
+  - "3.6"
+  - "3.6-dev"
+  - "3.7-dev"
+  - "nightly"
 install:
   - "pip install -e ."
   - "pip install pycrypto>=2.6"