diff --git a/.travis.yml b/.travis.yml
index 75f1e02..901366b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ sudo: false
 language: python
 python:
   - "2.7"
+  - "3.4"
 
 install:
   - pip install ecdsa  # test without trezorlib for now