diff --git a/tox.ini b/tox.ini
index 95e1349..0ac0b93 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 minversion = 2.9.0
 skipdist = True
 skip_missing_interpreters = true
-envlist = pre-commit,pep8,py{36,37,38}
+envlist = pre-commit,pep8,py{36,37,38,39}
 
 # Activate isolated build environment. tox will use a virtual environment
 # to build a source distribution from the source tree. For build tools and
@@ -78,8 +78,8 @@ exclude = .venv,.git,.tox,dist,doc,.ropeproject
 python =
     3.6: py36, pep8
     3.7: py38, pep8
-    3.8: py38, pep8, type-check, docs
-    3.9: py39
+    3.8: py38, pep8
+    3.9: py39, pep8, type-check, docs
 
 [testenv:fmt]
 # This will reformat your code to comply with pep8