diff --git a/tox.ini b/tox.ini
index 7c6a41ee..8efdce42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,7 @@ commands=
 
 [testenv:coveralls]
 passenv=TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH DEPENDENCY_INJECTOR_DEBUG_MODE
-basepython=python3.6
+basepython=python3.8
 usedevelop=True
 deps=
     {[testenv]deps}