diff --git a/.travis.yml b/.travis.yml
index 6f84431c1..0729f2d5a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
 language: python
-python: "3.7"
+python: "3.6"
 script:
 - python3 travis.py