diff --git a/.travis.yml b/.travis.yml
index d367065..c100c79 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ python:
 - '3.6'
 - '3.7'
 - '3.8'
+- '3.9'
 install:
 - make install
 - make test-install