diff --git a/tox.ini b/tox.ini
index 0707c94..892336d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,26 +32,32 @@ commands =
   coverage report
 
 [testenv:debug]
+basepython = python3
 commands =
   oslo_debug_helper -t {toxinidir}/tests {posargs}
 
 [testenv:docs]
+basepython = python3
 commands =
   rm -rf doc/build
   python setup.py build_sphinx
 
 [testenv:bandit]
+basepython = python3
 commands = bandit -r monascastatsd -s B311 -n5 -x monascastatsd/tests
 
 [testenv:flake8]
+basepython = python3
 commands = flake8 monascastatsd
 
 [testenv:pep8]
+basepython = python3
 commands =
   {[testenv:flake8]commands}
   {[testenv:bandit]commands}
 
 [testenv:venv]
+basepython = python3
 commands = {posargs}
 
 [flake8]