diff --git a/.travis.yml b/.travis.yml
index 6d7672d..c504f44 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 python:
+  - "3.5"
   - "3.6.1"
   - "3.7-dev"
 install: