diff --git a/setup.py b/setup.py
index d09f8fc7b..1dde71ac7 100755
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ install_requires = [
     "werkzeug",
     "PyYAML>=5.1",
     "pytz",
-    "python-dateutil<2.8.1,>=2.1",
+    "python-dateutil<3.0.0,>=2.1",
     "python-jose<4.0.0",
     "mock",
     "docker>=2.5.1",