diff --git a/aodh/api/hooks.py b/aodh/api/hooks.py
index 741a773be..69fe6e163 100644
--- a/aodh/api/hooks.py
+++ b/aodh/api/hooks.py
@@ -20,14 +20,10 @@ from pecan import hooks
 from aodh.api import policies
 
 # TODO(gmann): Remove overriding the default value of config options:
-# - 'policy_file' once oslo_policy change their default value to what is
-# overridden here.
 # - 'enforce_scope', and 'enforce_new_defaults' once aodh is ready with the
 # new RBAC (oslo_policy enable them by default)
-DEFAULT_POLICY_FILE = 'policy.yaml'
 opts.set_defaults(
     cfg.CONF,
-    DEFAULT_POLICY_FILE,
     enforce_scope=False,
     enforce_new_defaults=False)
 
diff --git a/requirements.txt b/requirements.txt
index d5277ce40..4e7d89f91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ oslo.config>=6.8.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=4.3.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
-oslo.policy>=3.11.0 # Apache-2.0
+oslo.policy>=4.5.0 # Apache-2.0
 oslo.upgradecheck>=1.3.0 # Apache-2.0
 PasteDeploy>=1.5.0
 pbr>=2.0.0 # Apache-2.0