diff --git a/requirements.txt b/requirements.txt
index fde118a98e..f4f7e2f7a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ lxml>=2.3 # BSD
 netaddr!=0.7.16,>=0.7.12 # BSD
 oslo.cache>=1.5.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.context>=2.2.0 # Apache-2.0
 oslo.db>=4.1.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0