diff --git a/requirements.txt b/requirements.txt
index 80a9eb5f4e..52d87791a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ retrying!=1.3.0,>=1.2.3 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 six>=1.9.0 # MIT
 stevedore>=1.5.0 # Apache-2.0
-oslo.concurrency>=2.3.0 # Apache-2.0
+oslo.concurrency>=3.5.0 # Apache-2.0
 oslo.config>=3.4.0 # Apache-2.0
 oslo.db>=4.1.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0