diff --git a/.travis.yml b/.travis.yml
index 58d8ed8..bc61382 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: python
 python:
   - "2.7"
+  - "3.5"
 
 env:
   - PLATFORMIO_PROJECT_DIR=examples/arduino-blink