diff --git a/requirements.txt b/requirements.txt
index 1a3b61d..b57e99b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ msgpack-python>=0.4.0
 # Only for timeutils in openstack.common - once we're using the
 # library version this can be removed.
 iso8601>=0.1.9
-oslo.utils>=2.0.0 # Apache-2.0
+oslo.utils>=2.4.0 # Apache-2.0
 pytz>=2013.6