diff --git a/requirements.txt b/requirements.txt
index 9697f7de..da2ce2c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 Babel>=1.3
 eventlet>=0.17.4
 greenlet>=0.3.2
-monotonic>=0.1 # Apache-2.0
+monotonic>=0.3 # Apache-2.0
 oslo.utils>=1.9.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=1.11.0 # Apache-2.0