diff --git a/requirements.txt b/requirements.txt
index d0419f7..415eaa5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@
 netaddr>=0.7.12
 testrepository>=0.0.18
 pyOpenSSL>=0.14
-oslo.concurrency>=2.1.0 # Apache-2.0
+oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=1.11.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.6.0 # Apache-2.0