diff --git a/.travis.yml b/.travis.yml
index a16a93a..6cd3e8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,16 @@
 language: python
 python:
-    - "2.7"
+    - "3.7"
 
 sudo: false
 cache:
     directories:
         - "~/.platformio"
+        - $HOME/.cache/pip
 
 install:
     - pip install -U platformio
-    - platformio update
+    - pio update
 
 script:
-    - platformio run
+    - pio run