diff --git a/lower-constraints.txt b/lower-constraints.txt
index 3924e8a5b6bd..ac059467d6fb 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -79,7 +79,7 @@ oslo.cache==1.26.0
 oslo.concurrency==3.26.0
 oslo.config==6.1.0
 oslo.context==2.19.2
-oslo.db==4.40.0
+oslo.db==4.44.0
 oslo.i18n==3.15.3
 oslo.log==3.36.0
 oslo.messaging==6.3.0
diff --git a/nova/tests/fixtures.py b/nova/tests/fixtures.py
index df27bff10f58..5bb665b4fbd4 100644
--- a/nova/tests/fixtures.py
+++ b/nova/tests/fixtures.py
@@ -837,10 +837,8 @@ class WarningsFixture(fixtures.Fixture):
                     "._Default object at ",
             category=UserWarning)
 
-        # TODO(mriedem): Change (or remove) this SAWarning to an error once
-        # https://bugs.launchpad.net/oslo.db/+bug/1814199 is fixed.
         warnings.filterwarnings(
-            'ignore', message='Evaluating non-mapped column expression',
+            'error', message='Evaluating non-mapped column expression',
             category=sqla_exc.SAWarning)
 
         # TODO(jangutter): Change (or remove) this to an error during the Train
diff --git a/requirements.txt b/requirements.txt
index 9331c71b2449..8a3e2423b332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.21.1 # Apache-2.0
 oslo.upgradecheck>=0.1.1
 oslo.utils>=3.37.0 # Apache-2.0
-oslo.db>=4.40.0 # Apache-2.0
+oslo.db>=4.44.0 # Apache-2.0
 oslo.rootwrap>=5.8.0 # Apache-2.0
 oslo.messaging>=6.3.0 # Apache-2.0
 oslo.policy>=1.35.0 # Apache-2.0