diff --git a/requirements.txt b/requirements.txt
index 9534fe79..71d9ff0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,7 @@ lxml>=2.3 # BSD
 msgpack-python>=0.4.0 # Apache-2.0
 oslo.concurrency>=3.5.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
+oslo.db>=4.1.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.policy>=0.5.0 # Apache-2.0
diff --git a/setup.cfg b/setup.cfg
index 4d980f3f..9785ecc8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,10 +37,8 @@ gnocchi =
 mongo =
     pymongo!=3.1,>=3.0.2 # Apache-2.0
 postgresql =
-    oslo.db>=4.1.0 # Apache-2.0
     psycopg2>=2.5 # LGPL/ZPL
 mysql =
-    oslo.db>=4.1.0 # Apache-2.0
     PyMySQL>=0.6.2 # MIT License
 
 [entry_points]