diff --git a/requirements.txt b/requirements.txt
index 8f8360068..64e38af25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ flake8==3.7.9
 
 # Testing
 # ------------------------------------------------------------------------------
-tox==3.14.2
+tox==3.14.3
 pytest==5.3.2
 pytest_cases==1.12.0
 pytest-cookies==0.4.0