diff --git a/.travis.yml b/.travis.yml
index fb812e9..838587a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ dist: xenial
 
 language: python
 python:
+  - "3.5"
   - "3.6"
   - "3.7"
   - "3.8"