diff --git a/.travis.yml b/.travis.yml
index a857ddb..7f8af3a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,7 @@
 
 language: python
 python:
-  - "2.7"
+  - "3.7"
 
 # Cache PlatformIO packages using Travis CI container-based infrastructure
 sudo: false