diff --git a/requirements.txt b/requirements.txt
index f7e4a85e2a..0432180216 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ stevedore>=1.17.1 # Apache-2.0
 oslo.messaging>=5.14.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
-oslo.db>=4.13.3 # Apache-2.0
+oslo.db>=4.15.0 # Apache-2.0
 enum34;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
 xmltodict>=0.10.1 # MIT
 pycrypto>=2.6 # Public Domain