diff --git a/tox.ini b/tox.ini
index dccd43b0d7..1194acfa5f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -82,6 +82,8 @@ commands =
 [testenv:lint-python]
 description =
     Lint Python files using pylint and mypy.
+# Set Python version to Python3 as shipped with RHEL/CentOS 7
+basepython = python3.6
 deps =
     -r{toxinidir}/buildchain/requirements-{env:OSTYPE}.txt
     -r{toxinidir}/buildchain/requirements-dev.txt