diff --git a/requirements.txt b/requirements.txt
index ddf1612..56e33ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ pytest==4.5.0
 pytest-cov==2.7.1
 pytest-django==3.4.8
 sphinx_rtd_theme==0.4.3
-tox==3.10.0
+tox==3.11.1