diff --git a/.travis.yml b/.travis.yml
index 7e8aeb5..a3ece57 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: python
-dist: xenial
+dist: focal
 sudo: required
 matrix:
   include:
@@ -11,6 +11,8 @@ matrix:
       env: CC=gcc LIBVERSION=master
     - python: 3.8
       env: CC=gcc LIBVERSION=master
+    - python: 3.9-dev
+      env: CC=gcc LIBVERSION=master
     - python: nightly
       env: CC=gcc LIBVERSION=master
     # compilers