diff --git a/requirements.txt b/requirements.txt
index c608ad1b..eeeb2de1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Jinja2>=2.6 # BSD License (3 clause)
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
 netaddr>=0.7.12
 oslo.config>=2.1.0 # Apache-2.0
-oslo.db>=2.0 # Apache-2.0
+oslo.db>=2.4 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.8.0 # Apache-2.0
 oslo.serialization>=1.4.0 # Apache-2.0