diff --git a/requirements.txt b/requirements.txt
index 7409b1d..050de9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ docker==3.7.2
 molecule==2.20.1
 pytest==4.4.0
 six==1.11.0
-tox==3.8.6
+tox==3.23.1
 testinfra==1.19.0
\ No newline at end of file