diff --git a/keystone/common/rbac_enforcer/enforcer.py b/keystone/common/rbac_enforcer/enforcer.py
index 8b22e21bd6..defae6c754 100644
--- a/keystone/common/rbac_enforcer/enforcer.py
+++ b/keystone/common/rbac_enforcer/enforcer.py
@@ -45,6 +45,8 @@ class RBACEnforcer(object):
     __shared_state__ = {}
     __ENFORCER = None
     ACTION_STORE_ATTR = 'keystone:RBAC:action_name'
+    # FOR TESTS ONLY
+    suppress_deprecation_warnings = False
 
     def __init__(self):
         # NOTE(morgan): All Enforcer Instances use the same shared state;
@@ -92,6 +94,8 @@ class RBACEnforcer(object):
         # The raw oslo-policy enforcer object
         if self.__ENFORCER is None:
             self.__ENFORCER = common_policy.Enforcer(CONF)
+            if self.suppress_deprecation_warnings:
+                self.__ENFORCER.suppress_deprecation_warnings = True
             self.register_rules(self.__ENFORCER)
         return self.__ENFORCER
 
diff --git a/keystone/tests/unit/ksfixtures/policy.py b/keystone/tests/unit/ksfixtures/policy.py
index e6dbf0c7b7..2adfe6a0a4 100644
--- a/keystone/tests/unit/ksfixtures/policy.py
+++ b/keystone/tests/unit/ksfixtures/policy.py
@@ -29,4 +29,5 @@ class Policy(fixtures.Fixture):
         opts.set_defaults(self._config_fixture.conf)
         self._config_fixture.config(group='oslo_policy',
                                     policy_file=self._policy_file)
+        policy._ENFORCER.suppress_deprecation_warnings = True
         self.addCleanup(policy.reset)
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 307e9246d3..8c78350ef5 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -34,7 +34,7 @@ oslo.i18n==3.15.3
 oslo.log==3.44.0
 oslo.messaging==5.29.0
 oslo.middleware==3.31.0
-oslo.policy==1.43.1
+oslo.policy==2.3.0
 oslo.serialization==2.18.0
 oslo.upgradecheck==0.1.0
 oslo.utils==3.33.0
diff --git a/requirements.txt b/requirements.txt
index b46f3cfe40..d33a948748 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ oslo.db>=4.27.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.44.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
-oslo.policy>=1.43.1 # Apache-2.0
+oslo.policy>=2.3.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.upgradecheck>=0.1.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0