diff --git a/tox.ini b/tox.ini
index 7f5083bb..5a2ee7d2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,8 @@
 [tox]
-envlist = py37-lint, py36, py37, py38, py39
+envlist = py39-lint, py36, py37, py38, py39
 
-[testenv:py37-lint]
-basepython = python3.7
+[testenv:py39-lint]
+basepython = python3.9
 deps = pylint
 commands = pylint --rcfile=.pylintrc ibmcloudant test
 setenv = PYTHONPATH = pylint/checkers