diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5fb2bb29..e3c5347f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,6 +35,9 @@ jobs:
           - python-version: '3.8'
             toxenv: 'py38-test'
 
+          - python-version: '3.9'
+            toxenv: 'py39-test'
+
           - python-version: 'pypy-3.7'
             toxenv: 'pypy3-test'
 
diff --git a/tox.ini b/tox.ini
index 7a5a84f6..35359f04 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 # nopyx is a special env where Cython is NOT installed, and thus we run
 # pure-python tests
-envlist = nopyx-test,py27-{test,bench},py35-test,py36-test,py37-test,py38-test,pypy-{test,bench},pypy3-{test},docs
+envlist = nopyx-test,py27-{test,bench},py35-test,py36-test,py37-test,py38-test,py39-test,pypy-{test,bench},pypy3-{test},docs
 
 [testenv]
 setenv =