diff --git a/.travis.yml b/.travis.yml
index eb64a48..e1c3526 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,11 @@
 sudo: false
 language: python
+arch:
+  - amd64
+  - ppc64le
 python:
   - "2.7"
-  - "3.3"
-  - "3.4"
+  - "3.8"
+  - "3.9"
 install: pip install tox-travis
 script: tox