diff --git a/requirements/base.txt b/requirements/base.txt
index 90630aa..a9064b2 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,2 +1,2 @@
-python-dateutil>=1.5,<2.5
+python-dateutil>=1.5
 requests-oauthlib>=0.6.1,<1.1