diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 22963d98..e913729a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13.0"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
diff --git a/minio/minioadmin.py b/minio/minioadmin.py
index ab4507b7..97f42341 100644
--- a/minio/minioadmin.py
+++ b/minio/minioadmin.py
@@ -62,7 +62,6 @@ class _COMMAND(Enum):
     SET_USER_OR_GROUP_POLICY = "set-user-or-group-policy"
     LIST_CANNED_POLICIES = "list-canned-policies"
     REMOVE_CANNED_POLICY = "remove-canned-policy"
-    UNSET_USER_OR_GROUP_POLICY = "idp/builtin/policy/detach"
     CANNED_POLICY_INFO = "info-canned-policy"
     SET_BUCKET_QUOTA = "set-bucket-quota"
     GET_BUCKET_QUOTA = "get-bucket-quota"
@@ -98,6 +97,9 @@ class _COMMAND(Enum):
     IDP_LDAP_POLICY_DETACH = "idp/ldap/policy/detach"
     IDP_LDAP_LIST_ACCESS_KEYS = "idp/ldap/list-access-keys"
     IDP_LDAP_LIST_ACCESS_KEYS_BULK = "idp/ldap/list-access-keys-bulk"
+    IDP_BUILTIN_POLICY_ATTACH = "idp/builtin/policy/attach"
+    IDP_BUILTIN_POLICY_DETACH = "idp/builtin/policy/detach"
+    IDP_BUILTIN_POLICY_ENTITIES = "idp/builtin/policy-entities"
 
 
 def _safe_str(value: Any) -> str:
@@ -476,7 +478,7 @@ def policy_list(self) -> str:
 
     def policy_set(
             self,
-            policy_name: str | list[str],
+            policy_name: str,
             user: str | None = None,
             group: str | None = None,
     ) -> str:
@@ -499,29 +501,9 @@ def policy_unset(
             group: str | None = None,
     ) -> str:
         """Unset an IAM policy for a user or group."""
-        if (user is not None) ^ (group is not None):
-            policies = (
-                policy_name if isinstance(policy_name, list) else [policy_name]
-            )
-            data: dict[str, str | list[str]] = {"policies": policies}
-            if user:
-                data["user"] = user
-            if group:
-                data["group"] = group
-            response = self._url_open(
-                "POST",
-                _COMMAND.UNSET_USER_OR_GROUP_POLICY,
-                body=encrypt(
-                    json.dumps(data).encode(),
-                    self._provider.retrieve().secret_key,
-                ),
-                preload_content=False,
-            )
-            plain_data = decrypt(
-                response, self._provider.retrieve().secret_key,
-            )
-            return plain_data.decode()
-        raise ValueError("either user or group must be set")
+        return self.detach_policy(
+            policy_name if isinstance(policy_name, list) else [policy_name],
+            user, group)
 
     def config_get(self, key: str | None = None) -> str:
         """Get configuration parameters."""
@@ -847,14 +829,14 @@ def delete_service_account(self, access_key: str) -> str:
         )
         return response.data.decode()
 
-    def _attach_detach_policy_ldap(
+    def _attach_detach_policy(
             self,
             command: _COMMAND,
             policies: list[str],
             user: str | None = None,
             group: str | None = None,
     ) -> str:
-        """Attach or detach policies for LDAP."""
+        """Attach or detach policies for builtin or LDAP."""
         if (user is not None) ^ (group is not None):
             key = "user" if user else "group"
             body = json.dumps(
@@ -876,7 +858,7 @@ def attach_policy_ldap(
             group: str | None = None,
     ) -> str:
         """Attach policies for LDAP."""
-        return self._attach_detach_policy_ldap(
+        return self._attach_detach_policy(
             _COMMAND.IDP_LDAP_POLICY_ATTACH, policies, user, group,
         )
 
@@ -887,7 +869,7 @@ def detach_policy_ldap(
             group: str | None = None,
     ) -> str:
         """Detach policies for LDAP."""
-        return self._attach_detach_policy_ldap(
+        return self._attach_detach_policy(
             _COMMAND.IDP_LDAP_POLICY_DETACH, policies, user, group,
         )
 
@@ -927,3 +909,42 @@ def list_access_keys_ldap_bulk(
             response, self._provider.retrieve().secret_key,
         )
         return plain_data.decode()
+
+    def attach_policy(
+            self,
+            policies: list[str],
+            user: str | None = None,
+            group: str | None = None,
+    ) -> str:
+        """Attach builtin policies."""
+        return self._attach_detach_policy(
+            _COMMAND.IDP_BUILTIN_POLICY_ATTACH, policies, user, group,
+        )
+
+    def detach_policy(
+            self,
+            policies: list[str],
+            user: str | None = None,
+            group: str | None = None,
+    ) -> str:
+        """Detach builtin policies."""
+        return self._attach_detach_policy(
+            _COMMAND.IDP_BUILTIN_POLICY_DETACH, policies, user, group,
+        )
+
+    def get_policy_entities(
+            self,
+            users: list[str],
+            groups: list[str],
+            policies: list[str],
+    ) -> str:
+        """Get builtin policy entities."""
+        response = self._url_open(
+            "GET", _COMMAND.IDP_BUILTIN_POLICY_ENTITIES,
+            query_params={"user": users, "group": groups, "policy": policies},
+            preload_content=False,
+        )
+        plain_data = decrypt(
+            response, self._provider.retrieve().secret_key,
+        )
+        return plain_data.decode()