diff --git a/requirements.txt b/requirements.txt
index b2b51c1649..7714279ad2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ oslo.middleware>=3.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.0.0 # Apache-2.0
 oslo.utils>=3.5.0 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.7.1 # Apache-2.0
 MySQL-python;python_version=='2.7' # GPL
 Babel!=2.3.0,!=2.3.1,!=2.3.2,!=2.3.3,>=1.3 # BSD
 six>=1.9.0 # MIT