diff --git a/requirements.txt b/requirements.txt
index e29b1acc8..2640e4a2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ jsonschema!=2.5.0,<3.0.0,>=2.0.0
 keystonemiddleware>=2.2.0
 gnocchiclient>=2.1.0  # Apache-2.0
 lxml>=2.3
-oslo.db>=1.12.0 # Apache-2.0
+oslo.db>=4.8.0,!=4.13.1,!=4.13.2,!=4.15.0 # Apache-2.0
 oslo.config>=2.6.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.2.0 # Apache-2.0
diff --git a/setup.cfg b/setup.cfg
index 6fc0a2ceb..9cc4160a1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -63,6 +63,7 @@ test =
     mock>=1.0
     tempest>=11.0.0  # Apache-2.0
     testrepository>=0.0.18
+    testresources>=0.2.4 # Apache-2.0/BSD
     gabbi>=0.12.0 # Apache-2.0
     # Provides subunit-trace
     os-testr