diff --git a/requirements.txt b/requirements.txt
index 0a17c723e..3499af0df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ stevedore>=1.10.0 # Apache-2.0
 setuptools>=16.0 # PSF/ZPL
 websockify>=0.8.0 # LGPLv3
 oslo.cache>=1.5.0 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
 oslo.context>=2.2.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0