diff -rup celery-2.2.10-orig/setup.py celery-2.2.10/setup.py
--- celery-2.2.10-orig/setup.py	2017-02-25 15:30:34.000000000 +0100
+++ celery-2.2.10/setup.py	2017-02-25 15:30:34.000000000 +0100
@@ -48,7 +48,7 @@ try:
 except ImportError:
     install_requires.append("importlib")
 install_requires.extend([
-    "python-dateutil>=1.5.0,<2.0.0",
+    "python-dateutil>=1.5.0,<2.2.0",
     "anyjson>=0.3.1",
     "kombu>=1.1.2,<2.0.0",
     "pyparsing>=1.5.0,<2.0.0",