diff --git a/.travis.yml b/.travis.yml
index 66d519e..4ad5f90 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,10 @@
 language: python
 python:
-- '3.6.9'
+- '3.0'
+- '3.1'
+- '3.2'
+- '3.3'
+- '3.4'
 - '3.5'
 - '3.6'
 - '3.7'