diff --git a/cloudkitty/common/defaults.py b/cloudkitty/common/defaults.py
index 376f3f61..1b9c0636 100644
--- a/cloudkitty/common/defaults.py
+++ b/cloudkitty/common/defaults.py
@@ -14,21 +14,13 @@
 #
 
 
-from oslo_config import cfg
 from oslo_middleware import cors
-from oslo_policy import opts as policy_opts
 
 
 def set_config_defaults():
     """This method updates all configuration default values."""
     set_cors_middleware_defaults()
 
-    # TODO(gmann): Remove setting the default value of config policy_file
-    # once oslo_policy change the default value to 'policy.yaml'.
-    # https://github.com/openstack/oslo.policy/blob/a626ad12fe5a3abd49d70e3e5b95589d279ab578/oslo_policy/opts.py#L49
-    DEFAULT_POLICY_FILE = 'policy.yaml'
-    policy_opts.set_defaults(cfg.CONF, DEFAULT_POLICY_FILE)
-
 
 def set_cors_middleware_defaults():
     """Update default configuration options for oslo.middleware."""
diff --git a/cloudkitty/common/policy.py b/cloudkitty/common/policy.py
index 9d55e1f8..3dcd5c5e 100644
--- a/cloudkitty/common/policy.py
+++ b/cloudkitty/common/policy.py
@@ -20,7 +20,6 @@ import sys
 
 from oslo_config import cfg
 from oslo_log import log as logging
-from oslo_policy import opts as policy_opts
 from oslo_policy import policy
 from oslo_utils import excutils
 
@@ -28,11 +27,6 @@ from cloudkitty.common import policies
 
 LOG = logging.getLogger(__name__)
 CONF = cfg.CONF
-# TODO(gmann): Remove setting the default value of config policy_file
-# once oslo_policy change the default value to 'policy.yaml'.
-# https://github.com/openstack/oslo.policy/blob/a626ad12fe5a3abd49d70e3e5b95589d279ab578/oslo_policy/opts.py#L49
-DEFAULT_POLICY_FILE = 'policy.yaml'
-policy_opts.set_defaults(cfg.CONF, DEFAULT_POLICY_FILE)
 
 _ENFORCER = None
 # oslo_policy will read the policy configuration file again when the file
diff --git a/requirements.txt b/requirements.txt
index dd52840d..4870db55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ oslo.i18n>=5.0.1 # Apache-2.0
 oslo.log>=4.4.0 # Apache-2.0
 oslo.messaging>=14.1.0 # Apache-2.0
 oslo.middleware>=4.1.1 # Apache-2.0
-oslo.policy>=3.6.0 # Apache-2.0
+oslo.policy>=4.5.0 # Apache-2.0
 oslo.utils>=4.7.0 # Apache-2.0
 oslo.upgradecheck>=1.3.0 # Apache-2.0
 python-dateutil>=2.8.0 # BSD