diff --git a/.travis.yml b/.travis.yml
index db718d7..25eb4ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ python:
   - "2.7.13"
   - "3.5"
   - "3.6"
+  - "3.9"
 before_install:
   - pip install flake8
 before_script: