diff --git a/.travis.yml b/.travis.yml
index d0995d7..c402ec2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ python:
   - "3.6"
   - "3.7"
   - "3.8"
-  - "3.9-dev"
+  - "3.9"
 env:
   - GREEN_OPTS=