diff --git a/requirements.txt b/requirements.txt
index 1009ffe75d..de737079dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,6 +33,6 @@ jsonpatch>=1.1
 WSME>=0.6
 Jinja2>=2.6  # BSD License (3 clause)
 keystonemiddleware>=1.0.0
-oslo.messaging>=1.4.0,!=1.5.0
+oslo.messaging>=1.6.0  # Apache-2.0
 retrying>=1.2.3,!=1.3.0 # Apache-2.0
 posix_ipc