diff --git a/requirements.txt b/requirements.txt
index 060aff8c3..ed5d5aebd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ python-swiftclient>=3.2.0 # Apache-2.0
 pytz>=2013.6 # MIT
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
-oslo.db!=4.13.1,!=4.13.2,>=4.11.0 # Apache-2.0
+oslo.db>=4.15.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0