diff --git a/Pipfile b/Pipfile
index d2cb8cab1..3756b9b9c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -14,7 +14,7 @@ pylint = "~=2.15.8"
 pytest = "~=7.2"
 pytest-cov = "~=4.0"
 python-dateutil = "~=2.8"
-tox = "~=3.27"
+tox = "~=4.0"
 typing-extensions = "~=4.4"
 types-python-dateutil = "~=2.8"
 
diff --git a/tox.ini b/tox.ini
index 6823808bd..c4d757ab1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,3 +12,4 @@ commands =
     pipenv lock --clear
     pipenv install --dev
     ./ci.sh
+allowlist_externals = ./ci.sh