diff --git a/requirements.txt b/requirements.txt
index 5b565f0456..99bd2972dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ iso8601>=0.1.9
 jsonpatch>=1.1
 keystonemiddleware>=2.0.0
 netaddr>=0.7.12
-oslo.concurrency>=2.1.0 # Apache-2.0
+oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=1.11.0 # Apache-2.0
 oslo.context>=0.2.0 # Apache-2.0
 oslo.db>=1.12.0 # Apache-2.0