diff --git a/requirements.txt b/requirements.txt
index 60ef24614..344030c03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ iso8601>=0.1.9
 jsonschema>=2.0.0,<3.0.0,!=2.5.0
 kombu>=3.0.7
 netaddr>=0.7.12
-oslo.concurrency>=1.8.0         # Apache-2.0
+oslo.concurrency>=2.0.0         # Apache-2.0
 oslo.config>=1.11.0  # Apache-2.0
 oslo.context>=0.2.0                     # Apache-2.0
 oslo.i18n>=1.5.0  # Apache-2.0