diff --git a/requirements.txt b/requirements.txt
index 22f1f45ba22..34745af3406 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ oauth2client!=4.0.0,>=1.5.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.context>=2.9.0 # Apache-2.0
-oslo.db>=4.13.3 # Apache-2.0
+oslo.db>=4.15.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.messaging>=5.14.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0